75964664 has 8 divisors (see below), whose sum is σ = 142433760. Its totient is φ = 37982328.

The previous prime is 75964649. The next prime is 75964709. The reversal of 75964664 is 46646957.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 4747784 + ... + 4747799.

It is an arithmetic number, because the mean of its divisors is an integer number (17804220).

Almost surely, 2^75964664 is an apocalyptic number.

It is an amenable number.

75964664 is a deficient number, since it is larger than the sum of its proper divisors (66469096).

75964664 is a wasteful number, since it uses less digits than its factorization.

75964664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495589 (or 9495585 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 75964664 is about 8715.7709928612. The cubic root of 75964664 is about 423.5167004143.

The spelling of 75964664 in words is "seventy-five million, nine hundred sixty-four thousand, six hundred sixty-four".