72810757368612 has 48 divisors (see below), whose sum is σ = 192784984062720. Its totient is φ = 23753864104416.

The previous prime is 72810757368589. The next prime is 72810757368623. The reversal of 72810757368612 is 21686375701827.

It is a happy number.

72810757368612 is a `hidden beast` number, since 7 + 2 + 8 + 1 + 0 + 7 + 5 + 7 + 3 + 6 + 8 + 612 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 72810757368612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7172055343 + ... + 7172065494.

It is an arithmetic number, because the mean of its divisors is an integer number (4016353834640).

Almost surely, 2^{72810757368612} is an apocalyptic number.

It is an amenable number.

72810757368612 is an abundant number, since it is smaller than the sum of its proper divisors (119974226694108).

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

72810757368612 is a wasteful number, since it uses less digits than its factorization.

72810757368612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344120897 (or 14344120889 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 72810757368612 in words is "seventy-two trillion, eight hundred ten billion, seven hundred fifty-seven million, three hundred sixty-eight thousand, six hundred twelve".