73316657 has 2 divisors, whose sum is σ = 73316658. Its totient is φ = 73316656.

The previous prime is 73316653. The next prime is 73316671. The reversal of 73316657 is 75661337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54228496 + 19088161 = 7364^2 + 4369^2 .

It is a cyclic number.

It is not a de Polignac number, because 73316657 - 2² = 73316653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73316657.

It is not a weakly prime, because it can be changed into another prime (73316653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36658328 + 36658329.

It is an arithmetic number, because the mean of its divisors is an integer number (36658329).

Almost surely, 2^73316657 is an apocalyptic number.

It is an amenable number.

73316657 is a deficient number, since it is larger than the sum of its proper divisors (1).

73316657 is an equidigital number, since it uses as much as digits as its factorization.

73316657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 38.

The square root of 73316657 is about 8562.5146423232. The cubic root of 73316657 is about 418.5373479723.

The spelling of 73316657 in words is "seventy-three million, three hundred sixteen thousand, six hundred fifty-seven".