374309321 has 4 divisors (see below), whose sum is σ = 374356944. Its totient is φ = 374261700.

The previous prime is 374309317. The next prime is 374309339. The reversal of 374309321 is 123903473.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123903473 = 823 ⋅150551.

It is a cyclic number.

It is not a de Polignac number, because 374309321 - 2² = 374309317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374309311) 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, 8915 + ... + 28776.

It is an arithmetic number, because the mean of its divisors is an integer number (93589236).

Almost surely, 2^374309321 is an apocalyptic number.

It is an amenable number.

374309321 is a deficient number, since it is larger than the sum of its proper divisors (47623).

374309321 is an equidigital number, since it uses as much as digits as its factorization.

374309321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47622.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 374309321 is about 19347.0752569994. The cubic root of 374309321 is about 720.6817879629.

The spelling of 374309321 in words is "three hundred seventy-four million, three hundred nine thousand, three hundred twenty-one".