674433321 has 16 divisors (see below), whose sum is σ = 917110080. Its totient is φ = 440706240.

The previous prime is 674433293. The next prime is 674433377. The reversal of 674433321 is 123334476.

It is not a de Polignac number, because 674433321 - 2¹⁴ = 674416937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674431321) 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 15 ways as a sum of consecutive naturals, for example, 283266 + ... + 285636.

It is an arithmetic number, because the mean of its divisors is an integer number (57319380).

Almost surely, 2^674433321 is an apocalyptic number.

It is an amenable number.

674433321 is a deficient number, since it is larger than the sum of its proper divisors (242676759).

674433321 is a wasteful number, since it uses less digits than its factorization.

674433321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216.

The product of its digits is 36288, while the sum is 33.

The square root of 674433321 is about 25969.8540812227. The cubic root of 674433321 is about 876.9597743000.

Adding to 674433321 its reverse (123334476), we get a palindrome (797767797).

The spelling of 674433321 in words is "six hundred seventy-four million, four hundred thirty-three thousand, three hundred twenty-one".