674489668 has 12 divisors (see below), whose sum is σ = 1205471232. Its totient is φ = 330069320.

The previous prime is 674489657. The next prime is 674489677. The reversal of 674489668 is 866984476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793668 + ... + 1794043.

It is an arithmetic number, because the mean of its divisors is an integer number (100455936).

Almost surely, 2^674489668 is an apocalyptic number.

It is an amenable number.

674489668 is a deficient number, since it is larger than the sum of its proper divisors (530981564).

674489668 is a wasteful number, since it uses less digits than its factorization.

674489668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587762 (or 3587760 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The square root of 674489668 is about 25970.9389125615. The cubic root of 674489668 is about 876.9841961244.

The spelling of 674489668 in words is "six hundred seventy-four million, four hundred eighty-nine thousand, six hundred sixty-eight".