Adding to 18272 its product of digits (224), we get a square (18496 = 1362).
Subtracting 18272 from its reverse (27281), we obtain a palindrome (9009).
It is a congruent number.
It is an unprimeable number.
218272 is an apocalyptic number.
It is an amenable number.
18272 is an equidigital number, since it uses as much as digits as its factorization.
18272 is an evil number, because the sum of its binary digits is even.
The square root of 18272 is about 135.1739619897. The cubic root of 18272 is about 26.3387622555.
The spelling of 18272 in words is "eighteen thousand, two hundred seventy-two".