674888618 has 8 divisors (see below), whose sum is σ = 1037024100. Its totient is φ = 329213920.

The previous prime is 674888587. The next prime is 674888629. The reversal of 674888618 is 816888476.

It can be written as a sum of positive squares in 2 ways, for example, as 640747969 + 34140649 = 25313^2 + 5843^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115093 + ... + 4115256.

Almost surely, 2^674888618 is an apocalyptic number.

674888618 is a deficient number, since it is larger than the sum of its proper divisors (362135482).

674888618 is a wasteful number, since it uses less digits than its factorization.

674888618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230392.

The product of its digits is 4128768, while the sum is 56.

The square root of 674888618 is about 25978.6184775095. The cubic root of 674888618 is about 877.1570694847.

The spelling of 674888618 in words is "six hundred seventy-four million, eight hundred eighty-eight thousand, six hundred eighteen".