674133940 has 12 divisors (see below), whose sum is σ = 1415681316. Its totient is φ = 269653568.

The previous prime is 674133923. The next prime is 674133947. The reversal of 674133940 is 49331476.

It can be written as a sum of positive squares in 2 ways, for example, as 283518244 + 390615696 = 16838^2 + 19764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 674133940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674133947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16853329 + ... + 16853368.

It is an arithmetic number, because the mean of its divisors is an integer number (117973443).

Almost surely, 2^674133940 is an apocalyptic number.

It is an amenable number.

674133940 is an abundant number, since it is smaller than the sum of its proper divisors (741547376).

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

674133940 is a wasteful number, since it uses less digits than its factorization.

674133940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706706 (or 33706704 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 674133940 is about 25964.0894313665. The cubic root of 674133940 is about 876.8299942593.

The spelling of 674133940 in words is "six hundred seventy-four million, one hundred thirty-three thousand, nine hundred forty".