674391392 has 24 divisors (see below), whose sum is σ = 1329800976. Its totient is φ = 336664192.

The previous prime is 674391373. The next prime is 674391397. The reversal of 674391392 is 293193476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674391397) 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 3 ways as a sum of consecutive naturals, for example, 4418 + ... + 36990.

It is an arithmetic number, because the mean of its divisors is an integer number (55408374).

Almost surely, 2^674391392 is an apocalyptic number.

It is an amenable number.

674391392 is a deficient number, since it is larger than the sum of its proper divisors (655409584).

674391392 is a wasteful number, since it uses less digits than its factorization.

674391392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230 (or 33222 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 674391392 is about 25969.0468057647. The cubic root of 674391392 is about 876.9416006189.

The spelling of 674391392 in words is "six hundred seventy-four million, three hundred ninety-one thousand, three hundred ninety-two".