72860164744 has 32 divisors (see below), whose sum is σ = 137423076120. Its totient is φ = 36214327296.

The previous prime is 72860164691. The next prime is 72860164771. The reversal of 72860164744 is 44746106827.

It can be written as a sum of positive squares in 4 ways, for example, as 65414200644 + 7445964100 = 255762^2 + 86290^2 .

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, 1892632 + ... + 1930744.

Almost surely, 2^72860164744 is an apocalyptic number.

It is an amenable number.

72860164744 is a deficient number, since it is larger than the sum of its proper divisors (64562911376).

72860164744 is a wasteful number, since it uses less digits than its factorization.

72860164744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39529 (or 39525 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 72860164744 in words is "seventy-two billion, eight hundred sixty million, one hundred sixty-four thousand, seven hundred forty-four".