674739940 has 48 divisors (see below), whose sum is σ = 1621065600. Its totient is φ = 231098112.

The previous prime is 674739931. The next prime is 674739973. The reversal of 674739940 is 49937476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178591 + ... + 182329.

It is an arithmetic number, because the mean of its divisors is an integer number (33772200).

Almost surely, 2^674739940 is an apocalyptic number.

It is an amenable number.

674739940 is an abundant number, since it is smaller than the sum of its proper divisors (946325660).

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

674739940 is a wasteful number, since it uses less digits than its factorization.

674739940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 674739940 is about 25975.7567743463. The cubic root of 674739940 is about 877.0926521704.

The spelling of 674739940 in words is "six hundred seventy-four million, seven hundred thirty-nine thousand, nine hundred forty".