716952557 has 4 divisors (see below), whose sum is σ = 717410496. Its totient is φ = 716494620.

The previous prime is 716952547. The next prime is 716952629. The reversal of 716952557 is 755259617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 755259617 = 7 ⋅107894231.

It is a cyclic number.

It is not a de Polignac number, because 716952557 - 2⁶ = 716952493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716952547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226613 + ... + 229754.

It is an arithmetic number, because the mean of its divisors is an integer number (179352624).

Almost surely, 2^716952557 is an apocalyptic number.

It is an amenable number.

716952557 is a deficient number, since it is larger than the sum of its proper divisors (457939).

716952557 is a wasteful number, since it uses less digits than its factorization.

716952557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457938.

The product of its digits is 661500, while the sum is 47.

The square root of 716952557 is about 26775.9697676854. The cubic root of 716952557 is about 895.0146401692.

The spelling of 716952557 in words is "seven hundred sixteen million, nine hundred fifty-two thousand, five hundred fifty-seven".