72810192960 has 84 divisors (see below), whose sum is σ = 250436736108. Its totient is φ = 19416050688.

The previous prime is 72810192929. The next prime is 72810192971. The reversal of 72810192960 is 6929101827.

It can be written as a sum of positive squares in 2 ways, for example, as 35548839936 + 37261353024 = 188544^2 + 193032^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12637779 + ... + 12643538.

Almost surely, 2^72810192960 is an apocalyptic number.

It is an amenable number.

72810192960 is an abundant number, since it is smaller than the sum of its proper divisors (177626543148).

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

72810192960 is a wasteful number, since it uses less digits than its factorization.

72810192960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281340 (or 25281327 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 72810192960 in words is "seventy-two billion, eight hundred ten million, one hundred ninety-two thousand, nine hundred sixty".