72566970428570 has 16 divisors (see below), whose sum is σ = 131046020870688. Its totient is φ = 28932238371600.

The previous prime is 72566970428551. The next prime is 72566970428621. The reversal of 72566970428570 is 7582407966527.

It is a self number, because there is not a number n which added to its sum of digits gives 72566970428570.

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, 11818721756 + ... + 11818727895.

It is an arithmetic number, because the mean of its divisors is an integer number (8190376304418).

Almost surely, 2^{72566970428570} is an apocalyptic number.

72566970428570 is a deficient number, since it is larger than the sum of its proper divisors (58479050442118).

72566970428570 is a wasteful number, since it uses less digits than its factorization.

72566970428570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23637449965.

The product of its (nonzero) digits is 355622400, while the sum is 68.

The spelling of 72566970428570 in words is "seventy-two trillion, five hundred sixty-six billion, nine hundred seventy million, four hundred twenty-eight thousand, five hundred seventy".