76256644 has 6 divisors (see below), whose sum is σ = 133449134. Its totient is φ = 38128320.

The previous prime is 76256641. The next prime is 76256669. The reversal of 76256644 is 44665267.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 3802500 = 8512^2 + 1950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76256597 and 76256606.

It is not an unprimeable number, because it can be changed into a prime (76256641) 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 as a sum of consecutive naturals, namely, 9532077 + ... + 9532084.

Almost surely, 2^76256644 is an apocalyptic number.

It is an amenable number.

76256644 is a deficient number, since it is larger than the sum of its proper divisors (57192490).

76256644 is a wasteful number, since it uses less digits than its factorization.

76256644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19064165 (or 19064163 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 76256644 is about 8732.5050243329. The cubic root of 76256644 is about 424.0586204105.

The spelling of 76256644 in words is "seventy-six million, two hundred fifty-six thousand, six hundred forty-four".