76506788 has 12 divisors (see below), whose sum is σ = 136735872. Its totient is φ = 37439400.

The previous prime is 76506767. The next prime is 76506797. The reversal of 76506788 is 88760567.

It is a super-2 number, since 2×76506788² = 11706577220153888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 203288 + ... + 203663.

It is an arithmetic number, because the mean of its divisors is an integer number (11394656).

Almost surely, 2^76506788 is an apocalyptic number.

It is an amenable number.

76506788 is a deficient number, since it is larger than the sum of its proper divisors (60229084).

76506788 is a wasteful number, since it uses less digits than its factorization.

76506788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407002 (or 407000 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 76506788 is about 8746.8158777923. The cubic root of 76506788 is about 424.5217929223.

The spelling of 76506788 in words is "seventy-six million, five hundred six thousand, seven hundred eighty-eight".