239715073 has 8 divisors (see below), whose sum is σ = 267057000. Its totient is φ = 213644928.

The previous prime is 239715061. The next prime is 239715097. The reversal of 239715073 is 370517932.

It can be written as a sum of positive squares in 4 ways, for example, as 7091569 + 232623504 = 2663^2 + 15252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 239715073 - 2⁵ = 239715041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239715043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317548 + ... + 318301.

It is an arithmetic number, because the mean of its divisors is an integer number (33382125).

Almost surely, 2^239715073 is an apocalyptic number.

It is an amenable number.

239715073 is a deficient number, since it is larger than the sum of its proper divisors (27341927).

239715073 is a wasteful number, since it uses less digits than its factorization.

239715073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635891.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 239715073 is about 15482.7346744688. The cubic root of 239715073 is about 621.2004775734.

The spelling of 239715073 in words is "two hundred thirty-nine million, seven hundred fifteen thousand, seventy-three".