72122468584 has 16 divisors (see below), whose sum is σ = 143184312900. Its totient is φ = 33939985152.

The previous prime is 72122468549. The next prime is 72122468599. The reversal of 72122468584 is 48586422127.

It can be written as a sum of positive squares in 2 ways, for example, as 72104064484 + 18404100 = 268522^2 + 4290^2 .

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, 265155999 + ... + 265156270.

Almost surely, 2^72122468584 is an apocalyptic number.

It is an amenable number.

72122468584 is a deficient number, since it is larger than the sum of its proper divisors (71061844316).

72122468584 is a wasteful number, since it uses less digits than its factorization.

72122468584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530312292 (or 530312288 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The spelling of 72122468584 in words is "seventy-two billion, one hundred twenty-two million, four hundred sixty-eight thousand, five hundred eighty-four".