674668740 has 24 divisors (see below), whose sum is σ = 1889072640. Its totient is φ = 179911648.

The previous prime is 674668703. The next prime is 674668741. The reversal of 674668740 is 47866476.

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 674668740.

It is not an unprimeable number, because it can be changed into a prime (674668741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5622180 + ... + 5622299.

It is an arithmetic number, because the mean of its divisors is an integer number (78711360).

Almost surely, 2^674668740 is an apocalyptic number.

674668740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674668740 is an abundant number, since it is smaller than the sum of its proper divisors (1214403900).

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

674668740 is a wasteful number, since it uses less digits than its factorization.

674668740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244491 (or 11244489 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 674668740 is about 25974.3862295146. The cubic root of 674668740 is about 877.0618001884.

The spelling of 674668740 in words is "six hundred seventy-four million, six hundred sixty-eight thousand, seven hundred forty".