72265608 has 40 divisors (see below), whose sum is σ = 202412430. Its totient is φ = 24088320.

The previous prime is 72265579. The next prime is 72265621. The reversal of 72265608 is 80656227.

72265608 is a `hidden beast` number, since 72 + 26 + 560 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 9253764 = 7938^2 + 3042^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55113 + ... + 56408.

Almost surely, 2^72265608 is an apocalyptic number.

It is an amenable number.

72265608 is an abundant number, since it is smaller than the sum of its proper divisors (130146822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72265608 is a wasteful number, since it uses less digits than its factorization.

72265608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111539 (or 111526 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 72265608 is about 8500.9180680677. The cubic root of 72265608 is about 416.5276987940.

The spelling of 72265608 in words is "seventy-two million, two hundred sixty-five thousand, six hundred eight".