72556765284 has 24 divisors (see below), whose sum is σ = 170797344480. Its totient is φ = 23971556224.

The previous prime is 72556765271. The next prime is 72556765313. The reversal of 72556765284 is 48256765527.

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, 26752614 + ... + 26755325.

It is an arithmetic number, because the mean of its divisors is an integer number (7116556020).

Almost surely, 2^72556765284 is an apocalyptic number.

It is an amenable number.

72556765284 is an abundant number, since it is smaller than the sum of its proper divisors (98240579196).

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

72556765284 is a wasteful number, since it uses less digits than its factorization.

72556765284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53508059 (or 53508057 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 57.

The spelling of 72556765284 in words is "seventy-two billion, five hundred fifty-six million, seven hundred sixty-five thousand, two hundred eighty-four".