674670140 has 24 divisors (see below), whose sum is σ = 1422897840. Its totient is φ = 268707968.

The previous prime is 674670121. The next prime is 674670169. The reversal of 674670140 is 41076476.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 674670140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67730 + ... + 77049.

It is an arithmetic number, because the mean of its divisors is an integer number (59287410).

Almost surely, 2^674670140 is an apocalyptic number.

It is an amenable number.

674670140 is an abundant number, since it is smaller than the sum of its proper divisors (748227700).

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

674670140 is a wasteful number, since it uses less digits than its factorization.

674670140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145021 (or 145019 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 674670140 is about 25974.4131791269. The cubic root of 674670140 is about 877.0624068494.

The spelling of 674670140 in words is "six hundred seventy-four million, six hundred seventy thousand, one hundred forty".