674843720 has 32 divisors (see below), whose sum is σ = 1553713920. Its totient is φ = 263659200.

The previous prime is 674843651. The next prime is 674843761. The reversal of 674843720 is 27348476.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 194456 + ... + 197895.

It is an arithmetic number, because the mean of its divisors is an integer number (48553560).

Almost surely, 2^674843720 is an apocalyptic number.

It is an amenable number.

674843720 is an abundant number, since it is smaller than the sum of its proper divisors (878870200).

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

674843720 is a wasteful number, since it uses less digits than its factorization.

674843720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392405 (or 392401 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 674843720 is about 25977.7543294258. The cubic root of 674843720 is about 877.1376176471.

The spelling of 674843720 in words is "six hundred seventy-four million, eight hundred forty-three thousand, seven hundred twenty".