722974458892 has 24 divisors (see below), whose sum is σ = 1470456529920. Its totient is φ = 304594565520.

The previous prime is 722974458851. The next prime is 722974458919. The reversal of 722974458892 is 298854479227.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

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, 218816284 + ... + 218819587.

It is an arithmetic number, because the mean of its divisors is an integer number (61269022080).

Almost surely, 2^722974458892 is an apocalyptic number.

It is an amenable number.

722974458892 is an abundant number, since it is smaller than the sum of its proper divisors (747482071028).

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

722974458892 is a wasteful number, since it uses less digits than its factorization.

722974458892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437635941 (or 437635939 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 67.

The spelling of 722974458892 in words is "seven hundred twenty-two billion, nine hundred seventy-four million, four hundred fifty-eight thousand, eight hundred ninety-two".