761526664 has 8 divisors (see below), whose sum is σ = 1427862510. Its totient is φ = 380763328.

The previous prime is 761526653. The next prime is 761526677. The reversal of 761526664 is 466625167.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 632522500 + 129004164 = 25150^2 + 11358^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 761526664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47595409 + ... + 47595424.

Almost surely, 2^761526664 is an apocalyptic number.

It is an amenable number.

761526664 is a deficient number, since it is larger than the sum of its proper divisors (666335846).

761526664 is a wasteful number, since it uses less digits than its factorization.

761526664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95190839 (or 95190835 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 761526664 is about 27595.7725747985. The cubic root of 761526664 is about 913.1911726927.

The spelling of 761526664 in words is "seven hundred sixty-one million, five hundred twenty-six thousand, six hundred sixty-four".