715557473 has 2 divisors, whose sum is σ = 715557474. Its totient is φ = 715557472.

The previous prime is 715557391. The next prime is 715557527. The reversal of 715557473 is 374755517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563207824 + 152349649 = 23732^2 + 12343^2 .

It is a cyclic number.

It is not a de Polignac number, because 715557473 - 2²⁸ = 447122017 is a prime.

It is a super-2 number, since 2×715557473² = 1024044994332291458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (715557373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357778736 + 357778737.

It is an arithmetic number, because the mean of its divisors is an integer number (357778737).

Almost surely, 2^715557473 is an apocalyptic number.

It is an amenable number.

715557473 is a deficient number, since it is larger than the sum of its proper divisors (1).

715557473 is an equidigital number, since it uses as much as digits as its factorization.

715557473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514500, while the sum is 44.

The square root of 715557473 is about 26749.9060372181. The cubic root of 715557473 is about 894.4337410353.

The spelling of 715557473 in words is "seven hundred fifteen million, five hundred fifty-seven thousand, four hundred seventy-three".