72762793 has 2 divisors, whose sum is σ = 72762794. Its totient is φ = 72762792.

The previous prime is 72762743. The next prime is 72762821. The reversal of 72762793 is 39726727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61653904 + 11108889 = 7852^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 72762793 - 2¹³ = 72754601 is a prime.

It is not a weakly prime, because it can be changed into another prime (72762743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36381396 + 36381397.

It is an arithmetic number, because the mean of its divisors is an integer number (36381397).

Almost surely, 2^72762793 is an apocalyptic number.

It is an amenable number.

72762793 is a deficient number, since it is larger than the sum of its proper divisors (1).

72762793 is an equidigital number, since it uses as much as digits as its factorization.

72762793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 43.

The square root of 72762793 is about 8530.1109605913. The cubic root of 72762793 is about 417.4807487508.

The spelling of 72762793 in words is "seventy-two million, seven hundred sixty-two thousand, seven hundred ninety-three".