It is a congruent number.
215768 is an apocalyptic number.
15768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15768 is a wasteful number, since it uses less digits than its factorization.
15768 is an evil number, because the sum of its binary digits is even.
The square root of 15768 is about 125.5706972187. The cubic root of 15768 is about 25.0760351783.
The spelling of 15768 in words is "fifteen thousand, seven hundred sixty-eight".