239533073 has 8 divisors (see below), whose sum is σ = 258222888. Its totient is φ = 220881024.

The previous prime is 239533037. The next prime is 239533081. The reversal of 239533073 is 370335932.

239533073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 97851664 + 141681409 = 9892^2 + 11903^2 .

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

It is not a de Polignac number, because 239533073 - 2⁸ = 239532817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239533003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 22347.

It is an arithmetic number, because the mean of its divisors is an integer number (32277861).

Almost surely, 2^239533073 is an apocalyptic number.

It is an amenable number.

239533073 is a deficient number, since it is larger than the sum of its proper divisors (18689815).

239533073 is a wasteful number, since it uses less digits than its factorization.

239533073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18883.

The product of its (nonzero) digits is 51030, while the sum is 35.

The square root of 239533073 is about 15476.8560437836. The cubic root of 239533073 is about 621.0432254515.

The spelling of 239533073 in words is "two hundred thirty-nine million, five hundred thirty-three thousand, seventy-three".