76492979 has 4 divisors (see below), whose sum is σ = 80992584. Its totient is φ = 71993376.

The previous prime is 76492973. The next prime is 76493033. The reversal of 76492979 is 97929467.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76492979 - 2⁸ = 76492723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76492979.

It is not an unprimeable number, because it can be changed into a prime (76492973) 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 3 ways as a sum of consecutive naturals, for example, 2249777 + ... + 2249810.

It is an arithmetic number, because the mean of its divisors is an integer number (20248146).

Almost surely, 2^76492979 is an apocalyptic number.

76492979 is a deficient number, since it is larger than the sum of its proper divisors (4499605).

76492979 is a wasteful number, since it uses less digits than its factorization.

76492979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499604.

The product of its digits is 1714608, while the sum is 53.

The square root of 76492979 is about 8746.0264692030. The cubic root of 76492979 is about 424.4962502033.

The spelling of 76492979 in words is "seventy-six million, four hundred ninety-two thousand, nine hundred seventy-nine".