76342979 has 2 divisors, whose sum is σ = 76342980. Its totient is φ = 76342978.

The previous prime is 76342921. The next prime is 76342999. The reversal of 76342979 is 97924367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76342979 - 2²⁰ = 75294403 is a prime.

It is not a weakly prime, because it can be changed into another prime (76342909) 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, 38171489 + 38171490.

It is an arithmetic number, because the mean of its divisors is an integer number (38171490).

Almost surely, 2^76342979 is an apocalyptic number.

76342979 is a deficient number, since it is larger than the sum of its proper divisors (1).

76342979 is an equidigital number, since it uses as much as digits as its factorization.

76342979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 76342979 is about 8737.4469383224. The cubic root of 76342979 is about 424.2185946378.

The spelling of 76342979 in words is "seventy-six million, three hundred forty-two thousand, nine hundred seventy-nine".