684374976 has 42 divisors (see below), whose sum is σ = 1961638952. Its totient is φ = 228124800.

The previous prime is 684374969. The next prime is 684374981. The reversal of 684374976 is 679473486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593500 + ... + 594651.

Almost surely, 2^684374976 is an apocalyptic number.

It is an amenable number.

684374976 is an abundant number, since it is smaller than the sum of its proper divisors (1277263976).

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

684374976 is a wasteful number, since it uses less digits than its factorization.

684374976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188169 (or 1188156 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 684374976 is about 26160.5614618647. The cubic root of 684374976 is about 881.2477890996.

The spelling of 684374976 in words is "six hundred eighty-four million, three hundred seventy-four thousand, nine hundred seventy-six".