669734904 has 32 divisors (see below), whose sum is σ = 1675210320. Its totient is φ = 223128576.

The previous prime is 669734899. The next prime is 669734909. The reversal of 669734904 is 409437966.

It is an interprime number because it is at equal distance from previous prime (669734899) and next prime (669734909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669734909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48414 + ... + 60690.

Almost surely, 2^669734904 is an apocalyptic number.

It is an amenable number.

669734904 is an abundant number, since it is smaller than the sum of its proper divisors (1005475416).

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

669734904 is a wasteful number, since it uses less digits than its factorization.

669734904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14559 (or 14555 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 669734904 is about 25879.2369284722. The cubic root of 669734904 is about 874.9185900857.

The spelling of 669734904 in words is "six hundred sixty-nine million, seven hundred thirty-four thousand, nine hundred four".