It is a nialpdrome in base 7 and base 12.
It is a congruent number.
16740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
216740 is an apocalyptic number.
16740 is a gapful number since it is divisible by the number (10) 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 16740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16740 is a wasteful number, since it uses less digits than its factorization.
16740 is an odious number, because the sum of its binary digits is odd.
The square root of 16740 is about 129.3831519171. The cubic root of 16740 is about 25.5810569498.
The spelling of 16740 in words is "sixteen thousand, seven hundred forty".