674989984 has 12 divisors (see below), whose sum is σ = 1328886594. Its totient is φ = 337494976.

The previous prime is 674989967. The next prime is 674990023. The reversal of 674989984 is 489989476.

It can be written as a sum of positive squares in only one way, i.e., 674960400 + 29584 = 25980^2 + 172^2 .

It is a super-2 number, since 2×674989984² = 911222957000640512, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 10546687 + ... + 10546750.

Almost surely, 2^674989984 is an apocalyptic number.

It is an amenable number.

674989984 is a deficient number, since it is larger than the sum of its proper divisors (653896610).

674989984 is a wasteful number, since it uses less digits than its factorization.

674989984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21093447 (or 21093439 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 64.

The square root of 674989984 is about 25980.5693548082. The cubic root of 674989984 is about 877.2009826333.

The spelling of 674989984 in words is "six hundred seventy-four million, nine hundred eighty-nine thousand, nine hundred eighty-four".