674034321 has 4 divisors (see below), whose sum is σ = 898712432. Its totient is φ = 449356212.

The previous prime is 674034313. The next prime is 674034353. The reversal of 674034321 is 123430476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 674034321 - 2³ = 674034313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674034391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112339051 + ... + 112339056.

It is an arithmetic number, because the mean of its divisors is an integer number (224678108).

Almost surely, 2^674034321 is an apocalyptic number.

It is an amenable number.

674034321 is a deficient number, since it is larger than the sum of its proper divisors (224678111).

674034321 is a wasteful number, since it uses less digits than its factorization.

674034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224678110.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 674034321 is about 25962.1709608422. The cubic root of 674034321 is about 876.7868014430.

Adding to 674034321 its reverse (123430476), we get a palindrome (797464797).

The spelling of 674034321 in words is "six hundred seventy-four million, thirty-four thousand, three hundred twenty-one".