72508296904 has 32 divisors (see below), whose sum is σ = 141918606720. Its totient is φ = 34664547456.

The previous prime is 72508296859. The next prime is 72508296943. The reversal of 72508296904 is 40969280527.

It is a super-3 number, since 3×72508296904³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412612 + ... + 561484.

It is an arithmetic number, because the mean of its divisors is an integer number (4434956460).

Almost surely, 2^72508296904 is an apocalyptic number.

It is an amenable number.

72508296904 is a deficient number, since it is larger than the sum of its proper divisors (69410309816).

72508296904 is a wasteful number, since it uses less digits than its factorization.

72508296904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151549 (or 151545 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 72508296904 in words is "seventy-two billion, five hundred eight million, two hundred ninety-six thousand, nine hundred four".