320074453 has 4 divisors (see below), whose sum is σ = 338902380. Its totient is φ = 301246528.

The previous prime is 320074451. The next prime is 320074459. The reversal of 320074453 is 354470023.

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 285711409 + 34363044 = 16903^2 + 5862^2 .

It is not a de Polignac number, because 320074453 - 2¹ = 320074451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320074451) 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, 9413938 + ... + 9413971.

It is an arithmetic number, because the mean of its divisors is an integer number (84725595).

Almost surely, 2^320074453 is an apocalyptic number.

It is an amenable number.

320074453 is a deficient number, since it is larger than the sum of its proper divisors (18827927).

320074453 is a wasteful number, since it uses less digits than its factorization.

320074453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18827926.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 320074453 is about 17890.6247235808. The cubic root of 320074453 is about 684.0434215735.

The spelling of 320074453 in words is "three hundred twenty million, seventy-four thousand, four hundred fifty-three".