It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 67716.
It is an unprimeable number.
67716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
267716 is an apocalyptic number.
67716 is a gapful number since it is divisible by the number (66) 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 67716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67716 is a wasteful number, since it uses less digits than its factorization.
67716 is an evil number, because the sum of its binary digits is even.
The square root of 67716 is about 260.2229813064. Note that the first 3 decimals coincide. The cubic root of 67716 is about 40.7596486869.
The spelling of 67716 in words is "sixty-seven thousand, seven hundred sixteen".