76506776 has 16 divisors (see below), whose sum is σ = 143840400. Its totient is φ = 38149344.

The previous prime is 76506767. The next prime is 76506797. The reversal of 76506776 is 67760567.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 9836 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (8990025).

Almost surely, 2^76506776 is an apocalyptic number.

It is an amenable number.

76506776 is a deficient number, since it is larger than the sum of its proper divisors (67333624).

76506776 is a wasteful number, since it uses less digits than its factorization.

76506776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26018 (or 26014 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 76506776 is about 8746.8151918284. The cubic root of 76506776 is about 424.5217707271.

The spelling of 76506776 in words is "seventy-six million, five hundred six thousand, seven hundred seventy-six".