72762738679 has 2 divisors, whose sum is σ = 72762738680. Its totient is φ = 72762738678.

The previous prime is 72762738619. The next prime is 72762738691. The reversal of 72762738679 is 97683726727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72762738679 - 2²⁹ = 72225867767 is a prime.

It is a super-2 number, since 2×72762738679² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72762738679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72762738619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36381369339 + 36381369340.

It is an arithmetic number, because the mean of its divisors is an integer number (36381369340).

Almost surely, 2^72762738679 is an apocalyptic number.

72762738679 is a deficient number, since it is larger than the sum of its proper divisors (1).

72762738679 is an equidigital number, since it uses as much as digits as its factorization.

72762738679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 64.

The spelling of 72762738679 in words is "seventy-two billion, seven hundred sixty-two million, seven hundred thirty-eight thousand, six hundred seventy-nine".