674645374 has 64 divisors (see below), whose sum is σ = 1214922240. Its totient is φ = 277954560.

The previous prime is 674645371. The next prime is 674645401. The reversal of 674645374 is 473546476.

674645374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674645371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725742 + ... + 726670.

It is an arithmetic number, because the mean of its divisors is an integer number (18983160).

Almost surely, 2^674645374 is an apocalyptic number.

674645374 is a deficient number, since it is larger than the sum of its proper divisors (540276866).

674645374 is a wasteful number, since it uses less digits than its factorization.

674645374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 1693440, while the sum is 46.

The square root of 674645374 is about 25973.9364363587. The cubic root of 674645374 is about 877.0516748921.

The spelling of 674645374 in words is "six hundred seventy-four million, six hundred forty-five thousand, three hundred seventy-four".