674585648 has 30 divisors (see below), whose sum is σ = 1436634612. Its totient is φ = 306628960.

The previous prime is 674585623. The next prime is 674585651. The reversal of 674585648 is 846585476.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 674585648.

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, 172286 + ... + 176157.

Almost surely, 2^674585648 is an apocalyptic number.

It is an amenable number.

674585648 is an abundant number, since it is smaller than the sum of its proper divisors (762048964).

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

674585648 is a wasteful number, since it uses less digits than its factorization.

674585648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348473 (or 348456 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The square root of 674585648 is about 25972.7866814479. The cubic root of 674585648 is about 877.0257924872.

The spelling of 674585648 in words is "six hundred seventy-four million, five hundred eighty-five thousand, six hundred forty-eight".