6674664 has 16 divisors (see below), whose sum is σ = 16686720. Its totient is φ = 2224880.

The previous prime is 6674651. The next prime is 6674671. The reversal of 6674664 is 4664766.

It is a super-2 number, since 2×6674664² = 89102279025792, which contains 22 as substring.

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, 139032 + ... + 139079.

It is an arithmetic number, because the mean of its divisors is an integer number (1042920).

Almost surely, 2^6674664 is an apocalyptic number.

It is an amenable number.

6674664 is an abundant number, since it is smaller than the sum of its proper divisors (10012056).

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

6674664 is a wasteful number, since it uses less digits than its factorization.

6674664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278120 (or 278116 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 6674664 is about 2583.5371102425. The cubic root of 6674664 is about 188.2824334912.

The spelling of 6674664 in words is "six million, six hundred seventy-four thousand, six hundred sixty-four".