674174844 has 36 divisors (see below), whose sum is σ = 1947616944. Its totient is φ = 192621312.

The previous prime is 674174843. The next prime is 674174857. The reversal of 674174844 is 448471476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 674174844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674174843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337397 + ... + 1337900.

Almost surely, 2^674174844 is an apocalyptic number.

It is an amenable number.

674174844 is an abundant number, since it is smaller than the sum of its proper divisors (1273442100).

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

674174844 is a wasteful number, since it uses less digits than its factorization.

674174844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675314 (or 2675309 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 674174844 is about 25964.8771227595. The cubic root of 674174844 is about 876.8477281875.

The spelling of 674174844 in words is "six hundred seventy-four million, one hundred seventy-four thousand, eight hundred forty-four".