72037239 has 8 divisors (see below), whose sum is σ = 97402752. Its totient is φ = 47348280.

The previous prime is 72037237. The next prime is 72037249. The reversal of 72037239 is 93273027.

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

It is not a de Polignac number, because 72037239 - 2¹ = 72037237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72037237) 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, 168889 + ... + 169314.

It is an arithmetic number, because the mean of its divisors is an integer number (12175344).

Almost surely, 2^72037239 is an apocalyptic number.

72037239 is a deficient number, since it is larger than the sum of its proper divisors (25365513).

72037239 is a wasteful number, since it uses less digits than its factorization.

72037239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338277.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 72037239 is about 8487.4754196993. The cubic root of 72037239 is about 416.0884746946.

The spelling of 72037239 in words is "seventy-two million, thirty-seven thousand, two hundred thirty-nine".