76648764 has 24 divisors (see below), whose sum is σ = 178996608. Its totient is φ = 25528240.

The previous prime is 76648763. The next prime is 76648777. The reversal of 76648764 is 46784667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76648763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19969 + ... + 23495.

It is an arithmetic number, because the mean of its divisors is an integer number (7458192).

Almost surely, 2^76648764 is an apocalyptic number.

It is an amenable number.

76648764 is an abundant number, since it is smaller than the sum of its proper divisors (102347844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76648764 is a wasteful number, since it uses less digits than its factorization.

76648764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5343 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 76648764 is about 8754.9279837129. The cubic root of 76648764 is about 424.7842300351.

The spelling of 76648764 in words is "seventy-six million, six hundred forty-eight thousand, seven hundred sixty-four".