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72370633 = 973112399
BaseRepresentation
bin1000101000001…
…00100111001001
312001011210211211
410110010213021
5122011330013
611103053121
71536066046
oct424044711
9161153754
1072370633
1137940145
12202a11a1
1311cbb87a
14987c1cd
15654823d
hex45049c9

72370633 has 8 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 71364480.

The previous prime is 72370607. The next prime is 72370637. The reversal of 72370633 is 33607327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72370633 - 217 = 72239561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72370595 and 72370604.

It is not an unprimeable number, because it can be changed into a prime (72370637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28968 + ... + 31366.

It is an arithmetic number, because the mean of its divisors is an integer number (9172800).

Almost surely, 272370633 is an apocalyptic number.

It is an amenable number.

72370633 is a deficient number, since it is larger than the sum of its proper divisors (1011767).

72370633 is a wasteful number, since it uses less digits than its factorization.

72370633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 72370633 is about 8507.0930992907. The cubic root of 72370633 is about 416.7293836971.

The spelling of 72370633 in words is "seventy-two million, three hundred seventy thousand, six hundred thirty-three".

Divisors: 1 97 311 2399 30167 232703 746089 72370633