72664803802 has 32 divisors (see below), whose sum is σ = 116964933120. Its totient is φ = 33751598400.

The previous prime is 72664803763. The next prime is 72664803851. The reversal of 72664803802 is 20830846627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3920068 + ... + 3938560.

It is an arithmetic number, because the mean of its divisors is an integer number (3655154160).

Almost surely, 2^72664803802 is an apocalyptic number.

72664803802 is a deficient number, since it is larger than the sum of its proper divisors (44300129318).

72664803802 is a wasteful number, since it uses less digits than its factorization.

72664803802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20518.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 72664803802 in words is "seventy-two billion, six hundred sixty-four million, eight hundred three thousand, eight hundred two".