1674335321 has 4 divisors (see below), whose sum is σ = 1772825652. Its totient is φ = 1575844992.

The previous prime is 1674335317. The next prime is 1674335323. The reversal of 1674335321 is 1235334761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879715600 + 794619721 = 29660^2 + 28189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674335321 - 2² = 1674335317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674335323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49245140 + ... + 49245173.

It is an arithmetic number, because the mean of its divisors is an integer number (443206413).

Almost surely, 2^1674335321 is an apocalyptic number.

It is an amenable number.

1674335321 is a deficient number, since it is larger than the sum of its proper divisors (98490331).

1674335321 is an equidigital number, since it uses as much as digits as its factorization.

1674335321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98490330.

The product of its digits is 45360, while the sum is 35.

The square root of 1674335321 is about 40918.6427072062. The cubic root of 1674335321 is about 1187.4467586250.

The spelling of 1674335321 in words is "one billion, six hundred seventy-four million, three hundred thirty-five thousand, three hundred twenty-one".