72753471523 has 2 divisors, whose sum is σ = 72753471524. Its totient is φ = 72753471522.

The previous prime is 72753471509. The next prime is 72753471551. The reversal of 72753471523 is 32517435727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72753471523 - 2²⁵ = 72719917091 is a prime.

It is not a weakly prime, because it can be changed into another prime (72753471563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36376735761 + 36376735762.

It is an arithmetic number, because the mean of its divisors is an integer number (36376735762).

Almost surely, 2^72753471523 is an apocalyptic number.

72753471523 is a deficient number, since it is larger than the sum of its proper divisors (1).

72753471523 is an equidigital number, since it uses as much as digits as its factorization.

72753471523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1234800, while the sum is 46.

The spelling of 72753471523 in words is "seventy-two billion, seven hundred fifty-three million, four hundred seventy-one thousand, five hundred twenty-three".