72701565683 has 2 divisors, whose sum is σ = 72701565684. Its totient is φ = 72701565682.

The previous prime is 72701565661. The next prime is 72701565709. The reversal of 72701565683 is 38656510727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72701565683 - 2⁶ = 72701565619 is a prime.

It is not a weakly prime, because it can be changed into another prime (72701565383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36350782841 + 36350782842.

It is an arithmetic number, because the mean of its divisors is an integer number (36350782842).

Almost surely, 2^72701565683 is an apocalyptic number.

72701565683 is a deficient number, since it is larger than the sum of its proper divisors (1).

72701565683 is an equidigital number, since it uses as much as digits as its factorization.

72701565683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 72701565683 in words is "seventy-two billion, seven hundred one million, five hundred sixty-five thousand, six hundred eighty-three".