674705218 has 8 divisors (see below), whose sum is σ = 1104063120. Its totient is φ = 306684180.

The previous prime is 674705167. The next prime is 674705221. The reversal of 674705218 is 812507476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

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, 15334188 + ... + 15334231.

It is an arithmetic number, because the mean of its divisors is an integer number (138007890).

Almost surely, 2^674705218 is an apocalyptic number.

674705218 is a deficient number, since it is larger than the sum of its proper divisors (429357902).

674705218 is a wasteful number, since it uses less digits than its factorization.

674705218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30668432.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 674705218 is about 25975.0884117841. The cubic root of 674705218 is about 877.0776069006.

The spelling of 674705218 in words is "six hundred seventy-four million, seven hundred five thousand, two hundred eighteen".