674732418 has 8 divisors (see below), whose sum is σ = 1349464848. Its totient is φ = 224910804.

The previous prime is 674732371. The next prime is 674732441. The reversal of 674732418 is 814237476.

It is a sphenic number, since it is the product of 3 distinct primes.

674732418 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 674732418.

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, 56227696 + ... + 56227707.

It is an arithmetic number, because the mean of its divisors is an integer number (168683106).

Almost surely, 2^674732418 is an apocalyptic number.

674732418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

674732418 is a wasteful number, since it uses less digits than its factorization.

674732418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112455408.

The product of its digits is 225792, while the sum is 42.

The square root of 674732418 is about 25975.6119850909. The cubic root of 674732418 is about 877.0893928824.

The spelling of 674732418 in words is "six hundred seventy-four million, seven hundred thirty-two thousand, four hundred eighteen".