674321836 has 12 divisors (see below), whose sum is σ = 1180257120. Its totient is φ = 337105520.

The previous prime is 674321803. The next prime is 674321849. The reversal of 674321836 is 638123476.

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 26781 + ... + 45451.

It is an arithmetic number, because the mean of its divisors is an integer number (98354760).

Almost surely, 2^674321836 is an apocalyptic number.

It is an amenable number.

674321836 is a deficient number, since it is larger than the sum of its proper divisors (505935284).

674321836 is a wasteful number, since it uses less digits than its factorization.

674321836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27704 (or 27702 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 674321836 is about 25967.7075615080. The cubic root of 674321836 is about 876.9114506457.

The spelling of 674321836 in words is "six hundred seventy-four million, three hundred twenty-one thousand, eight hundred thirty-six".