72715908 has 12 divisors (see below), whose sum is σ = 169670480. Its totient is φ = 24238632.

The previous prime is 72715897. The next prime is 72715913. The reversal of 72715908 is 80951727.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029818 + ... + 3029841.

Almost surely, 2^72715908 is an apocalyptic number.

It is an amenable number.

72715908 is an abundant number, since it is smaller than the sum of its proper divisors (96954572).

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

72715908 is a wasteful number, since it uses less digits than its factorization.

72715908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059666 (or 6059664 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 72715908 is about 8527.3623119931. The cubic root of 72715908 is about 417.3910610147.

The spelling of 72715908 in words is "seventy-two million, seven hundred fifteen thousand, nine hundred eight".