674423189 has 8 divisors (see below), whose sum is σ = 741106368. Its totient is φ = 608635360.

The previous prime is 674423179. The next prime is 674423207. The reversal of 674423189 is 981324476.

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

It is a cyclic number.

It is not a de Polignac number, because 674423189 - 2¹² = 674419093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674423119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 222257 + ... + 225270.

It is an arithmetic number, because the mean of its divisors is an integer number (92638296).

Almost surely, 2^674423189 is an apocalyptic number.

It is an amenable number.

674423189 is a deficient number, since it is larger than the sum of its proper divisors (66683179).

674423189 is a wasteful number, since it uses less digits than its factorization.

674423189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447675.

The product of its digits is 290304, while the sum is 44.

The square root of 674423189 is about 25969.6590081580. The cubic root of 674423189 is about 876.9553827609.

The spelling of 674423189 in words is "six hundred seventy-four million, four hundred twenty-three thousand, one hundred eighty-nine".