76409079 has 8 divisors (see below), whose sum is σ = 105165312. Its totient is φ = 49296120.

The previous prime is 76409057. The next prime is 76409087. The reversal of 76409079 is 97090467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76409079 - 2⁷ = 76408951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76409079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76409009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410709 + ... + 410894.

It is an arithmetic number, because the mean of its divisors is an integer number (13145664).

Almost surely, 2^76409079 is an apocalyptic number.

76409079 is a deficient number, since it is larger than the sum of its proper divisors (28756233).

76409079 is a wasteful number, since it uses less digits than its factorization.

76409079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821637.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 76409079 is about 8741.2286893777. The cubic root of 76409079 is about 424.3409929709.

The spelling of 76409079 in words is "seventy-six million, four hundred nine thousand, seventy-nine".