76405256 has 16 divisors (see below), whose sum is σ = 148200300. Its totient is φ = 36885184.

The previous prime is 76405243. The next prime is 76405279. The reversal of 76405256 is 65250467.

It can be written as a sum of positive squares in 2 ways, for example, as 76282756 + 122500 = 8734^2 + 350^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164435 + ... + 164898.

Almost surely, 2^76405256 is an apocalyptic number.

It is an amenable number.

76405256 is a deficient number, since it is larger than the sum of its proper divisors (71795044).

76405256 is a wasteful number, since it uses less digits than its factorization.

76405256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329368 (or 329364 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 76405256 is about 8741.0100102906. The cubic root of 76405256 is about 424.3339157898. Note that the first 3 decimals are identical.

The spelling of 76405256 in words is "seventy-six million, four hundred five thousand, two hundred fifty-six".