239072530 has 32 divisors (see below), whose sum is σ = 457201584. Its totient is φ = 89696256.

The previous prime is 239072507. The next prime is 239072551. The reversal of 239072530 is 35270932.

It can be written as a sum of positive squares in 8 ways, for example, as 140209281 + 98863249 = 11841^2 + 9943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239072492 and 239072501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50964 + ... + 55456.

Almost surely, 2^239072530 is an apocalyptic number.

239072530 is a deficient number, since it is larger than the sum of its proper divisors (218129054).

239072530 is a wasteful number, since it uses less digits than its factorization.

239072530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 239072530 is about 15461.9704436401. The cubic root of 239072530 is about 620.6449497449.

The spelling of 239072530 in words is "two hundred thirty-nine million, seventy-two thousand, five hundred thirty".