71717468408 has 64 divisors (see below), whose sum is σ = 141839100000. Its totient is φ = 33945393664.

The previous prime is 71717468399. The next prime is 71717468443. The reversal of 71717468408 is 80486471717.

It is a self number, because there is not a number n which added to its sum of digits gives 71717468408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317898 + ... + 5331366.

Almost surely, 2^71717468408 is an apocalyptic number.

It is an amenable number.

71717468408 is a deficient number, since it is larger than the sum of its proper divisors (70121631592).

71717468408 is a wasteful number, since it uses less digits than its factorization.

71717468408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13952 (or 13948 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 71717468408 in words is "seventy-one billion, seven hundred seventeen million, four hundred sixty-eight thousand, four hundred eight".