72274168236 has 12 divisors (see below), whose sum is σ = 168639725912. Its totient is φ = 24091389408.

The previous prime is 72274168199. The next prime is 72274168249. The reversal of 72274168236 is 63286147227.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3011423665 + ... + 3011423688.

Almost surely, 2^72274168236 is an apocalyptic number.

It is an amenable number.

72274168236 is an abundant number, since it is smaller than the sum of its proper divisors (96365557676).

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

72274168236 is a wasteful number, since it uses less digits than its factorization.

72274168236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022847360 (or 6022847358 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The spelling of 72274168236 in words is "seventy-two billion, two hundred seventy-four million, one hundred sixty-eight thousand, two hundred thirty-six".