320460073 has 2 divisors, whose sum is σ = 320460074. Its totient is φ = 320460072.

The previous prime is 320460067. The next prime is 320460083. The reversal of 320460073 is 370064023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319265424 + 1194649 = 17868^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 320460073 - 2¹³ = 320451881 is a prime.

It is not a weakly prime, because it can be changed into another prime (320460083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160230036 + 160230037.

It is an arithmetic number, because the mean of its divisors is an integer number (160230037).

Almost surely, 2^320460073 is an apocalyptic number.

It is an amenable number.

320460073 is a deficient number, since it is larger than the sum of its proper divisors (1).

320460073 is an equidigital number, since it uses as much as digits as its factorization.

320460073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 320460073 is about 17901.3986325091. The cubic root of 320460073 is about 684.3180191031.

The spelling of 320460073 in words is "three hundred twenty million, four hundred sixty thousand, seventy-three".