76604979 has 48 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 42356160.

The previous prime is 76604963. The next prime is 76604989. The reversal of 76604979 is 97940667.

It is not a de Polignac number, because 76604979 - 2⁴ = 76604963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76604909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199822 + ... + 200204.

It is an arithmetic number, because the mean of its divisors is an integer number (2553600).

Almost surely, 2^76604979 is an apocalyptic number.

76604979 is a deficient number, since it is larger than the sum of its proper divisors (45967821).

76604979 is a wasteful number, since it uses less digits than its factorization.

76604979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 76604979 is about 8752.4270348287. The cubic root of 76604979 is about 424.7033297518.

The spelling of 76604979 in words is "seventy-six million, six hundred four thousand, nine hundred seventy-nine".