We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. For more information, please review our cookie policy and privacy policy.
By choosing I Accept, you consent to our use of cookies and other tracking technologies.

72

Number 72 (seventy-two) is an even two-digits composite number and natural number following 71 and preceding 73.

Properties of the number 72

Nominal72
Cardinalseventy-two
Ordinal72nd
Number of digits2
Sum of digits9
Product of digits14
Number parityEven
Calculation was done in 0.0000350475 seconds

Prime Factorization of 72

Prime factorization2 x 2 x 2 x 3 x 3
Prime factorization in exponent form23 x 32
Prime factors2, 3
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)5
Sum of prime factors5
Product of prime factors6
Calculation was done in 0.0000069141 seconds

Divisors of 72

List of proper divisors 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36
List of all dividers1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Number of divisors d(n)12
Sum of all divisors σ(n)195
Aliquot sum 123
72 is an abundant number , because the sum of its proper divisors (123) is greater than itself. Its abundance is 51.
Calculation was done in 0.0000221729 seconds

Prime numbers

Is 72 a prime number?No
Is 72 a semiprime number?No
Is 72 a Chen prime number?No
Is 72 a Mersenne prime number?No
Calculation was done in 0.0000109673 seconds

Sequences

Is 72 a Catalan number?No
Is 72 a Fibonacci number?No
Is 72 a Idoneal number?Yes: I31
Calculation was done in 0.0000040531 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
72 is not a Happy number
72 is a Humble number
72 is not a Münchhausen number
72 is not a Perfect number
72 is not a Perfect square
72 is not a Palindrome
Calculation was done in 0.0067720413 seconds

Numeric Bases of 72

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary10010002
3Ternary22003
4Quaternary10204
5Quinary2425
6Senary2006
7Septenary1327
8Octal1108
9Nonary809
10Decimal72
12Duodecimal6012
16Hexadecimal4816
20Vigesimal3c20
36Base362036
60Sexagesimal1C60
Calculation was done in 0.0000169277 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 72 (n2)5184
Cube of 72 (n3)373248
Square root of 728.4852813742386
Natural Logarithm (ln) of 724.2766661190161
Decimal Logarithm (log) of 721.8573324964313
Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 720.25382336276204
Cosecant of 723.9397476619893
Cosine of 72-0.96725058827388
Secant of 72-1.0338582494786
Tangent of 72-0.26241737750194
Cotangent of 72-3.8107232437098
Calculation was done in 0.0000100136 seconds

Number parity

Parity is the property of an integer of whether it is even or odd.

Is 72 an Even Number?

Yes, the number 72 is an even number.

Is 72 an Odd Number?

No
Calculation was done in 0.0000090599 seconds

Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
The spelling of 72 in words is "seventy-two", meaning that:
72 is an aban number (a number without the letter a)
72 is not an eban number (as it contains the letter e)
72 is an iban number (a number without the letter i)
72 is not an oban number (as it contains the letter o)
72 is not a tban number (as it contains the letter t)
72 is an uban number (a number without the letter u)
Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 72 in other number systems?
Bengali numerals৭২
Eastern Arabic numerals٧٢
Hieroglyphs numeralsused in Ancient Egypt𓎌𓏻
Khmer numerals៧២
Japanese numerals七十二
Roman numeralsLXXII
Thai numerals๗๒
Calculation was done in 0.0000698566 seconds

Translation

How do you say 72 in 38 different languages?
Arabicإثنان و سبعون
Croatiansedamdeset i dva
Czechsedmdesát dva
Danish to og halvfjerds
Dutchtweeenzeventig
Estonianblaadre vɔ eve
Faroesesjeyti­tveir
Filipinopitóng pû’t dalawá
Finnishseitsemän­kymmentä­kaksi
Frenchsoixante-douze
Greekεβδομήντα δύο
Germanzwei­und­siebzig
Hebrewשבעים ושתיים
Hindiबहत्तर
Hungarianhetven­kettő
Icelandicsjötíu og tveir
Indonesiantujuh puluh dua
Italiansettantadue
Japanese七十二
Korean칠십이
Latvianseptiņdesmit divi
Lithuanianseptyniasdešimt du
Norwegiansytti­to
Persianهفتاد و دو
Polishsiedemdziesiąt dwa
Portuguesesetenta e dois
Romanianşaptezeci şi doi
Russianсемьдесят два
Serbianседамдесет и два
Slovaksedemdesiat­dva
Slovenesedemdeset dva
Spanish setenta y dos
Swahilisabini na mbili
Swedishsjutiotvå
Thaiเจ็ด​สิบ​สอง
Turkishyetmiş iki
Ukrainianсімдесят два
Vietnamesebảy mươi hai
Calculation was done in 0.0137298107 seconds

Miscellaneous

Number 72 reversed27
ASCII Code72H
Unicode CharacterU+0048H
Unix TimestampThu, 01 Jan 1970 00:01:12 +0000
Calculation was done in 0.0000259876 seconds
This page was generated in 0.02 seconds.