674006664 has 64 divisors (see below), whose sum is σ = 1714976640. Its totient is φ = 220700160.

The previous prime is 674006657. The next prime is 674006761. The reversal of 674006664 is 466600476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544254 + ... + 545490.

It is an arithmetic number, because the mean of its divisors is an integer number (26796510).

Almost surely, 2^674006664 is an apocalyptic number.

It is an amenable number.

674006664 is an abundant number, since it is smaller than the sum of its proper divisors (1040969976).

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

674006664 is a wasteful number, since it uses less digits than its factorization.

674006664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1626 counting only the distinct ones).

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

The square root of 674006664 is about 25961.6383150216. The cubic root of 674006664 is about 876.7748091634.

The spelling of 674006664 in words is "six hundred seventy-four million, six thousand, six hundred sixty-four".