674691982 has 16 divisors (see below), whose sum is σ = 1081799712. Its totient is φ = 314807680.

The previous prime is 674691949. The next prime is 674692021. The reversal of 674691982 is 289196476.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 176983 + ... + 180754.

It is an arithmetic number, because the mean of its divisors is an integer number (67612482).

Almost surely, 2^674691982 is an apocalyptic number.

674691982 is a deficient number, since it is larger than the sum of its proper divisors (407107730).

674691982 is a wasteful number, since it uses less digits than its factorization.

674691982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357803.

The product of its digits is 1306368, while the sum is 52.

The square root of 674691982 is about 25974.8336279561. The cubic root of 674691982 is about 877.0718715192.

The spelling of 674691982 in words is "six hundred seventy-four million, six hundred ninety-one thousand, nine hundred eighty-two".