72887630736 has 40 divisors (see below), whose sum is σ = 188430957504. Its totient is φ = 24278081920.

The previous prime is 72887630719. The next prime is 72887630749. The reversal of 72887630736 is 63703678827.

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, 489795 + ... + 621026.

Almost surely, 2^72887630736 is an apocalyptic number.

It is an amenable number.

72887630736 is an abundant number, since it is smaller than the sum of its proper divisors (115543326768).

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

72887630736 is a wasteful number, since it uses less digits than its factorization.

72887630736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112199 (or 1112193 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 72887630736 in words is "seventy-two billion, eight hundred eighty-seven million, six hundred thirty thousand, seven hundred thirty-six".