71716794464 has 24 divisors (see below), whose sum is σ = 161362788048. Its totient is φ = 30735768960.

The previous prime is 71716794397. The next prime is 71716794521. The reversal of 71716794464 is 46449761717.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 160081907 + ... + 160082354.

It is an arithmetic number, because the mean of its divisors is an integer number (6723449502).

Almost surely, 2^71716794464 is an apocalyptic number.

It is an amenable number.

71716794464 is an abundant number, since it is smaller than the sum of its proper divisors (89645993584).

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

71716794464 is a wasteful number, since it uses less digits than its factorization.

71716794464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320164278 (or 320164270 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The spelling of 71716794464 in words is "seventy-one billion, seven hundred sixteen million, seven hundred ninety-four thousand, four hundred sixty-four".