72508233 has 8 divisors (see below), whose sum is σ = 110488768. Its totient is φ = 41433264.

The previous prime is 72508201. The next prime is 72508273. The reversal of 72508233 is 33280527.

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

It is not a de Polignac number, because 72508233 - 2⁵ = 72508201 is a prime.

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 72508233.

It is not an unprimeable number, because it can be changed into a prime (72508273) 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 7 ways as a sum of consecutive naturals, for example, 1726366 + ... + 1726407.

It is an arithmetic number, because the mean of its divisors is an integer number (13811096).

Almost surely, 2^72508233 is an apocalyptic number.

It is an amenable number.

72508233 is a deficient number, since it is larger than the sum of its proper divisors (37980535).

72508233 is a wasteful number, since it uses less digits than its factorization.

72508233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452783.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 72508233 is about 8515.1766276455. The cubic root of 72508233 is about 416.9933289710.

The spelling of 72508233 in words is "seventy-two million, five hundred eight thousand, two hundred thirty-three".