30707870672 has 20 divisors (see below), whose sum is σ = 59808005376. Its totient is φ = 15273546720.

The previous prime is 30707870659. The next prime is 30707870693. The reversal of 30707870672 is 27607870703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021138 + ... + 5027249.

Almost surely, 2^30707870672 is an apocalyptic number.

It is an amenable number.

30707870672 is a deficient number, since it is larger than the sum of its proper divisors (29100134704).

30707870672 is a wasteful number, since it uses less digits than its factorization.

30707870672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048586 (or 10048580 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 30707870672 in words is "thirty billion, seven hundred seven million, eight hundred seventy thousand, six hundred seventy-two".