761375664 has 60 divisors (see below), whose sum is σ = 2435196816. Its totient is φ = 217535616.

The previous prime is 761375639. The next prime is 761375761. The reversal of 761375664 is 466573167.

761375664 is a `hidden beast` number, since 76 + 13 + 7 + 566 + 4 = 666.

761375664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376659 + ... + 378674.

Almost surely, 2^761375664 is an apocalyptic number.

It is an amenable number.

761375664 is an abundant number, since it is smaller than the sum of its proper divisors (1673821152).

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

761375664 is a wasteful number, since it uses less digits than its factorization.

761375664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755354 (or 755345 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 761375664 is about 27593.0365128595. The cubic root of 761375664 is about 913.1308110583.

The spelling of 761375664 in words is "seven hundred sixty-one million, three hundred seventy-five thousand, six hundred sixty-four".