72477642264 has 32 divisors (see below), whose sum is σ = 181201093440. Its totient is φ = 24158282400.

The previous prime is 72477642241. The next prime is 72477642311. The reversal of 72477642264 is 46224677427.

It is a congruent number.

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, 896559 + ... + 974049.

It is an arithmetic number, because the mean of its divisors is an integer number (5662534170).

Almost surely, 2^72477642264 is an apocalyptic number.

It is an amenable number.

72477642264 is an abundant number, since it is smaller than the sum of its proper divisors (108723451176).

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

72477642264 is a wasteful number, since it uses less digits than its factorization.

72477642264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116471 (or 116467 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 51.

The spelling of 72477642264 in words is "seventy-two billion, four hundred seventy-seven million, six hundred forty-two thousand, two hundred sixty-four".