669582764 has 12 divisors (see below), whose sum is σ = 1209569088. Its totient is φ = 323991600.

The previous prime is 669582751. The next prime is 669582803. The reversal of 669582764 is 467285966.

669582764 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 3 ways as a sum of consecutive naturals, for example, 2699807 + ... + 2700054.

It is an arithmetic number, because the mean of its divisors is an integer number (100797424).

Almost surely, 2^669582764 is an apocalyptic number.

It is an amenable number.

669582764 is a deficient number, since it is larger than the sum of its proper divisors (539986324).

669582764 is a wasteful number, since it uses less digits than its factorization.

669582764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399896 (or 5399894 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 669582764 is about 25876.2973394572. The cubic root of 669582764 is about 874.8523349182.

The spelling of 669582764 in words is "six hundred sixty-nine million, five hundred eighty-two thousand, seven hundred sixty-four".