76430979 has 16 divisors (see below), whose sum is σ = 117136800. Its totient is φ = 49196448.

The previous prime is 76430971. The next prime is 76430989. The reversal of 76430979 is 97903467.

It is not a de Polignac number, because 76430979 - 2³ = 76430971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76430971) 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 in 15 ways as a sum of consecutive naturals, for example, 48024 + ... + 49589.

It is an arithmetic number, because the mean of its divisors is an integer number (7321050).

Almost surely, 2^76430979 is an apocalyptic number.

76430979 is a deficient number, since it is larger than the sum of its proper divisors (40705821).

76430979 is a wasteful number, since it uses less digits than its factorization.

76430979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97651 (or 97645 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 76430979 is about 8742.4812839376. The cubic root of 76430979 is about 424.3815299514.

The spelling of 76430979 in words is "seventy-six million, four hundred thirty thousand, nine hundred seventy-nine".