72008239 has 8 divisors (see below), whose sum is σ = 75284352. Its totient is φ = 68744280.

The previous prime is 72008221. The next prime is 72008329. The reversal of 72008239 is 93280027.

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 72008239 - 2¹¹ = 72006191 is a prime.

It is a super-2 number, since 2×72008239² = 10370372967762242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72008239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72000239) 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, 10392 + ... + 15874.

It is an arithmetic number, because the mean of its divisors is an integer number (9410544).

Almost surely, 2^72008239 is an apocalyptic number.

72008239 is a deficient number, since it is larger than the sum of its proper divisors (3276113).

72008239 is a wasteful number, since it uses less digits than its factorization.

72008239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 72008239 is about 8485.7668480816. The cubic root of 72008239 is about 416.0326323483.

The spelling of 72008239 in words is "seventy-two million, eight thousand, two hundred thirty-nine".