674928369 has 12 divisors (see below), whose sum is σ = 1011004176. Its totient is φ = 449952084.

The previous prime is 674928349. The next prime is 674928377. The reversal of 674928369 is 963829476.

It is a happy number.

674928369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674928369 - 2⁹ = 674927857 is a prime.

It is a super-2 number, since 2×674928369² = 911056606562000322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674928349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1388499 + ... + 1388984.

It is an arithmetic number, because the mean of its divisors is an integer number (84250348).

Almost surely, 2^674928369 is an apocalyptic number.

It is an amenable number.

674928369 is a deficient number, since it is larger than the sum of its proper divisors (336075807).

674928369 is an equidigital number, since it uses as much as digits as its factorization.

674928369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777498 (or 2777486 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 674928369 is about 25979.3835377208. The cubic root of 674928369 is about 877.1742906899.

The spelling of 674928369 in words is "six hundred seventy-four million, nine hundred twenty-eight thousand, three hundred sixty-nine".