72907475682 has 16 divisors (see below), whose sum is σ = 146743710912. Its totient is φ = 24147698640.

The previous prime is 72907475671. The next prime is 72907475743. The reversal of 72907475682 is 28657470927.

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, 38697294 + ... + 38699177.

It is an arithmetic number, because the mean of its divisors is an integer number (9171481932).

Almost surely, 2^72907475682 is an apocalyptic number.

72907475682 is an abundant number, since it is smaller than the sum of its proper divisors (73836235230).

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

72907475682 is a wasteful number, since it uses less digits than its factorization.

72907475682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77396633.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 72907475682 in words is "seventy-two billion, nine hundred seven million, four hundred seventy-five thousand, six hundred eighty-two".