72277956244 has 96 divisors (see below), whose sum is σ = 139404545280. Its totient is φ = 32590771200.

The previous prime is 72277956239. The next prime is 72277956277. The reversal of 72277956244 is 44265977227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230919832 + ... + 230920144.

It is an arithmetic number, because the mean of its divisors is an integer number (1452130680).

Almost surely, 2^72277956244 is an apocalyptic number.

It is an amenable number.

72277956244 is a deficient number, since it is larger than the sum of its proper divisors (67126589036).

72277956244 is a wasteful number, since it uses less digits than its factorization.

72277956244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 55.

The spelling of 72277956244 in words is "seventy-two billion, two hundred seventy-seven million, nine hundred fifty-six thousand, two hundred forty-four".