674793680 has 40 divisors (see below), whose sum is σ = 1711524384. Its totient is φ = 245379200.

The previous prime is 674793661. The next prime is 674793689. The reversal of 674793680 is 86397476.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674793689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382526 + ... + 384285.

Almost surely, 2^674793680 is an apocalyptic number.

It is an amenable number.

674793680 is an abundant number, since it is smaller than the sum of its proper divisors (1036730704).

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

674793680 is a wasteful number, since it uses less digits than its factorization.

674793680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766835 (or 766829 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 674793680 is about 25976.7911798205. The cubic root of 674793680 is about 877.1159370466.

The spelling of 674793680 in words is "six hundred seventy-four million, seven hundred ninety-three thousand, six hundred eighty".