72252530854 has 16 divisors (see below), whose sum is σ = 126389268000. Its totient is φ = 30965370072.

The previous prime is 72252530837. The next prime is 72252530879. The reversal of 72252530854 is 45803525227.

It is a self number, because there is not a number n which added to its sum of digits gives 72252530854.

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, 52661509 + ... + 52662880.

It is an arithmetic number, because the mean of its divisors is an integer number (7899329250).

Almost surely, 2^72252530854 is an apocalyptic number.

72252530854 is a deficient number, since it is larger than the sum of its proper divisors (54136737146).

72252530854 is a wasteful number, since it uses less digits than its factorization.

72252530854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105324412 (or 105324398 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 72252530854 in words is "seventy-two billion, two hundred fifty-two million, five hundred thirty thousand, eight hundred fifty-four".