72489183 has 32 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 42596736.

The previous prime is 72489149. The next prime is 72489223. The reversal of 72489183 is 38198427.

It is not a de Polignac number, because 72489183 - 2⁶ = 72489119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72489283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120718 + ... + 121316.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 2^72489183 is an apocalyptic number.

72489183 is a deficient number, since it is larger than the sum of its proper divisors (36374817).

72489183 is a wasteful number, since it uses less digits than its factorization.

72489183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its digits is 96768, while the sum is 42.

The square root of 72489183 is about 8514.0579631572. The cubic root of 72489183 is about 416.9568070554.

The spelling of 72489183 in words is "seventy-two million, four hundred eighty-nine thousand, one hundred eighty-three".