674890664 has 32 divisors (see below), whose sum is σ = 1447891200. Its totient is φ = 288899520.

The previous prime is 674890661. The next prime is 674890703. The reversal of 674890664 is 466098476.

It is not an unprimeable number, because it can be changed into a prime (674890661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44402 + ... + 57630.

It is an arithmetic number, because the mean of its divisors is an integer number (45246600).

Almost surely, 2^674890664 is an apocalyptic number.

It is an amenable number.

674890664 is an abundant number, since it is smaller than the sum of its proper divisors (773000536).

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

674890664 is a wasteful number, since it uses less digits than its factorization.

674890664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14153 (or 14149 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 674890664 is about 25978.6578560171. The cubic root of 674890664 is about 877.1579558836.

The spelling of 674890664 in words is "six hundred seventy-four million, eight hundred ninety thousand, six hundred sixty-four".