76913657 has 4 divisors (see below), whose sum is σ = 76952400. Its totient is φ = 76874916.

The previous prime is 76913609. The next prime is 76913671. The reversal of 76913657 is 75631967.

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.

It is a cyclic number.

It is not a de Polignac number, because 76913657 - 2⁸ = 76913401 is a prime.

It is a super-2 number, since 2×76913657² = 11831421266227298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76913857) 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, 16223 + ... + 20420.

It is an arithmetic number, because the mean of its divisors is an integer number (19238100).

Almost surely, 2^76913657 is an apocalyptic number.

It is an amenable number.

76913657 is a deficient number, since it is larger than the sum of its proper divisors (38743).

76913657 is a wasteful number, since it uses less digits than its factorization.

76913657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38742.

The product of its digits is 238140, while the sum is 44.

The square root of 76913657 is about 8770.0431583887. The cubic root of 76913657 is about 425.2730093632.

The spelling of 76913657 in words is "seventy-six million, nine hundred thirteen thousand, six hundred fifty-seven".