76449904 has 10 divisors (see below), whose sum is σ = 148121720. Its totient is φ = 38224944.

The previous prime is 76449859. The next prime is 76449917. The reversal of 76449904 is 40994467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389044 + ... + 2389075.

It is an arithmetic number, because the mean of its divisors is an integer number (14812172).

Almost surely, 2^76449904 is an apocalyptic number.

It is an amenable number.

76449904 is a deficient number, since it is larger than the sum of its proper divisors (71671816).

76449904 is a wasteful number, since it uses less digits than its factorization.

76449904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778127 (or 4778121 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 76449904 is about 8743.5635755680. The cubic root of 76449904 is about 424.4165539594.

The spelling of 76449904 in words is "seventy-six million, four hundred forty-nine thousand, nine hundred four".