72024239 has 4 divisors (see below), whose sum is σ = 82313424. Its totient is φ = 61735056.

The previous prime is 72024203. The next prime is 72024289. The reversal of 72024239 is 93242027.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72024239 - 2⁸ = 72023983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72024289) 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 3 ways as a sum of consecutive naturals, for example, 5144582 + ... + 5144595.

It is an arithmetic number, because the mean of its divisors is an integer number (20578356).

Almost surely, 2^72024239 is an apocalyptic number.

72024239 is a deficient number, since it is larger than the sum of its proper divisors (10289185).

72024239 is a wasteful number, since it uses less digits than its factorization.

72024239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289184.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72024239 is about 8486.7095508212. The cubic root of 72024239 is about 416.0634437724.

The spelling of 72024239 in words is "seventy-two million, twenty-four thousand, two hundred thirty-nine".