68634007472 has 20 divisors (see below), whose sum is σ = 133329267720. Its totient is φ = 34226454528.

The previous prime is 68634007441. The next prime is 68634007493. The reversal of 68634007472 is 27470043686.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 5653073 + ... + 5665200.

It is an arithmetic number, because the mean of its divisors is an integer number (6666463386).

Almost surely, 2^68634007472 is an apocalyptic number.

It is an amenable number.

68634007472 is a deficient number, since it is larger than the sum of its proper divisors (64695260248).

68634007472 is a wasteful number, since it uses less digits than its factorization.

68634007472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318660 (or 11318654 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 68634007472 in words is "sixty-eight billion, six hundred thirty-four million, seven thousand, four hundred seventy-two".