322704073 has 4 divisors (see below), whose sum is σ = 322841988. Its totient is φ = 322566160.

The previous prime is 322704059. The next prime is 322704089. The reversal of 322704073 is 370407223.

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 107993664 + 214710409 = 10392^2 + 14653^2 .

It is a cyclic number.

It is not a de Polignac number, because 322704073 - 2¹³ = 322695881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322702073) 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, 65386 + ... + 70147.

It is an arithmetic number, because the mean of its divisors is an integer number (80710497).

Almost surely, 2^322704073 is an apocalyptic number.

It is an amenable number.

322704073 is a deficient number, since it is larger than the sum of its proper divisors (137915).

322704073 is a wasteful number, since it uses less digits than its factorization.

322704073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137914.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 322704073 is about 17963.9659596649. The cubic root of 322704073 is about 685.9116021096.

The spelling of 322704073 in words is "three hundred twenty-two million, seven hundred four thousand, seventy-three".