76613644 has 12 divisors (see below), whose sum is σ = 139903344. Its totient is φ = 36641264.

The previous prime is 76613633. The next prime is 76613671. The reversal of 76613644 is 44631667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416287 + ... + 416470.

It is an arithmetic number, because the mean of its divisors is an integer number (11658612).

Almost surely, 2^76613644 is an apocalyptic number.

It is an amenable number.

76613644 is a deficient number, since it is larger than the sum of its proper divisors (63289700).

76613644 is a wasteful number, since it uses less digits than its factorization.

76613644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832784 (or 832782 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 76613644 is about 8752.9220263864. The cubic root of 76613644 is about 424.7193422689.

The spelling of 76613644 in words is "seventy-six million, six hundred thirteen thousand, six hundred forty-four".