72810757365023 has 2 divisors, whose sum is σ = 72810757365024. Its totient is φ = 72810757365022.

The previous prime is 72810757364981. The next prime is 72810757365037. The reversal of 72810757365023 is 32056375701827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72810757365023 - 2²⁶ = 72810690256159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72810757365023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72810757365053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36405378682511 + 36405378682512.

It is an arithmetic number, because the mean of its divisors is an integer number (36405378682512).

Almost surely, 2^{72810757365023} is an apocalyptic number.

72810757365023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72810757365023 is an equidigital number, since it uses as much as digits as its factorization.

72810757365023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 72810757365023 in words is "seventy-two trillion, eight hundred ten billion, seven hundred fifty-seven million, three hundred sixty-five thousand, twenty-three".