71964756696 has 96 divisors (see below), whose sum is σ = 209342208240. Its totient is φ = 20555764992.

The previous prime is 71964756679. The next prime is 71964756707. The reversal of 71964756696 is 69665746917.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6435366 + ... + 6446538.

Almost surely, 2^71964756696 is an apocalyptic number.

It is an amenable number.

71964756696 is an abundant number, since it is smaller than the sum of its proper divisors (137377451544).

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

71964756696 is a wasteful number, since it uses less digits than its factorization.

71964756696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673 (or 16662 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 66.

The spelling of 71964756696 in words is "seventy-one billion, nine hundred sixty-four million, seven hundred fifty-six thousand, six hundred ninety-six".