674657672 has 32 divisors (see below), whose sum is σ = 1365329280. Its totient is φ = 310685760.

The previous prime is 674657611. The next prime is 674657707. The reversal of 674657672 is 276756476.

It is a self number, because there is not a number n which added to its sum of digits gives 674657672.

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 7 ways as a sum of consecutive naturals, for example, 41147 + ... + 55157.

It is an arithmetic number, because the mean of its divisors is an integer number (42666540).

Almost surely, 2^674657672 is an apocalyptic number.

It is an amenable number.

674657672 is an abundant number, since it is smaller than the sum of its proper divisors (690671608).

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

674657672 is a wasteful number, since it uses less digits than its factorization.

674657672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493 (or 14489 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 50.

The square root of 674657672 is about 25974.1731725959. The cubic root of 674657672 is about 877.0570040702.

The spelling of 674657672 in words is "six hundred seventy-four million, six hundred fifty-seven thousand, six hundred seventy-two".