674640084 has 12 divisors (see below), whose sum is σ = 1574160224. Its totient is φ = 224880024.

The previous prime is 674640061. The next prime is 674640091. The reversal of 674640084 is 480046476.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28109992 + ... + 28110015.

Almost surely, 2^674640084 is an apocalyptic number.

It is an amenable number.

674640084 is an abundant number, since it is smaller than the sum of its proper divisors (899520140).

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

674640084 is a wasteful number, since it uses less digits than its factorization.

674640084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56220014 (or 56220012 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 674640084 is about 25973.8346033080. The cubic root of 674640084 is about 877.0493825196.

The spelling of 674640084 in words is "six hundred seventy-four million, six hundred forty thousand, eighty-four".