764546064 has 20 divisors (see below), whose sum is σ = 1975077456. Its totient is φ = 254848672.

The previous prime is 764546047. The next prime is 764546071. The reversal of 764546064 is 460645467.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7963974 + ... + 7964069.

Almost surely, 2^764546064 is an apocalyptic number.

It is an amenable number.

764546064 is an abundant number, since it is smaller than the sum of its proper divisors (1210531392).

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

764546064 is a wasteful number, since it uses less digits than its factorization.

764546064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15928054 (or 15928048 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 764546064 is about 27650.4261088324. The cubic root of 764546064 is about 914.3964941474.

The spelling of 764546064 in words is "seven hundred sixty-four million, five hundred forty-six thousand, sixty-four".