674790393 has 8 divisors (see below), whose sum is σ = 908629056. Its totient is φ = 445406000.

The previous prime is 674790379. The next prime is 674790397. The reversal of 674790393 is 393097476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674790393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674790397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113213 + ... + 1113818.

It is an arithmetic number, because the mean of its divisors is an integer number (113578632).

Almost surely, 2^674790393 is an apocalyptic number.

It is an amenable number.

674790393 is a deficient number, since it is larger than the sum of its proper divisors (233838663).

674790393 is a wasteful number, since it uses less digits than its factorization.

674790393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227135.

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 674790393 is about 25976.7279117290. The cubic root of 674790393 is about 877.1145128657.

The spelling of 674790393 in words is "six hundred seventy-four million, seven hundred ninety thousand, three hundred ninety-three".