72905331088 has 40 divisors (see below), whose sum is σ = 144662446368. Its totient is φ = 35574534912.

The previous prime is 72905331071. The next prime is 72905331101. The reversal of 72905331088 is 88013350927.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772020 + ... + 861292.

Almost surely, 2^72905331088 is an apocalyptic number.

It is an amenable number.

72905331088 is a deficient number, since it is larger than the sum of its proper divisors (71757115280).

72905331088 is a wasteful number, since it uses less digits than its factorization.

72905331088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90511 (or 90505 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 72905331088 in words is "seventy-two billion, nine hundred five million, three hundred thirty-one thousand, eighty-eight".