674373172 has 18 divisors (see below), whose sum is σ = 1297193954. Its totient is φ = 306533040.

The previous prime is 674373121. The next prime is 674373173. The reversal of 674373172 is 271373476.

It can be written as a sum of positive squares in only one way, i.e., 587771536 + 86601636 = 24244^2 + 9306^2 .

It is a super-2 number, since 2×674373172² = 909558350226683168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674373173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696183 + ... + 697150.

Almost surely, 2^674373172 is an apocalyptic number.

It is an amenable number.

674373172 is a deficient number, since it is larger than the sum of its proper divisors (622820782).

674373172 is a wasteful number, since it uses less digits than its factorization.

674373172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393359 (or 1393346 counting only the distinct ones).

The product of its digits is 148176, while the sum is 40.

The square root of 674373172 is about 25968.6960011472. The cubic root of 674373172 is about 876.9337031180.

The spelling of 674373172 in words is "six hundred seventy-four million, three hundred seventy-three thousand, one hundred seventy-two".