67712514808 has 32 divisors (see below), whose sum is σ = 129114329760. Its totient is φ = 33285012480.

The previous prime is 67712514757. The next prime is 67712514817. The reversal of 67712514808 is 80841521776.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 4785 + ... + 368032.

It is an arithmetic number, because the mean of its divisors is an integer number (4034822805).

Almost surely, 2^67712514808 is an apocalyptic number.

It is an amenable number.

67712514808 is a deficient number, since it is larger than the sum of its proper divisors (61401814952).

67712514808 is a wasteful number, since it uses less digits than its factorization.

67712514808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373207 (or 373203 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 67712514808 in words is "sixty-seven billion, seven hundred twelve million, five hundred fourteen thousand, eight hundred eight".