Multipling 78732 by its sum of digits (27), we get a square (2125764 = 14582).
78732 divided by its sum of digits (27) gives a square (2916 = 542).
Multipling 78732 by its product of digits (2352), we get a square (185177664 = 136082).
Subtracting from 78732 its reverse (23787), we obtain a palindrome (54945).
It is a plaindrome in base 16.
It is a nialpdrome in base 3.
It is a zygodrome in base 3.
78732 is a Friedman number, since it can be written as 3^8*(7+7-2), using all its digits and the basic arithmetic operations.
278732 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 78732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78732 is an frugal number, since it uses more digits than its factorization.
78732 is an evil number, because the sum of its binary digits is even.
The square root of 78732 is about 280.5922308262. The cubic root of 78732 is about 42.8598284031.
The spelling of 78732 in words is "seventy-eight thousand, seven hundred thirty-two".