72436164268 has 12 divisors (see below), whose sum is σ = 136514309680. Its totient is φ = 33432075792.

The previous prime is 72436164257. The next prime is 72436164347. The reversal of 72436164268 is 86246163427.

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, 696501528 + ... + 696501631.

Almost surely, 2^72436164268 is an apocalyptic number.

It is an amenable number.

72436164268 is a deficient number, since it is larger than the sum of its proper divisors (64078145412).

72436164268 is a wasteful number, since it uses less digits than its factorization.

72436164268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393003176 (or 1393003174 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 72436164268 in words is "seventy-two billion, four hundred thirty-six million, one hundred sixty-four thousand, two hundred sixty-eight".