37440 divided by its sum of digits (18) gives a triangular number (2080 = T64).
It is a nialpdrome in base 8.
It is a zygodrome in base 8.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 37440.
237440 is an apocalyptic number.
37440 is a gapful number since it is divisible by the number (30) 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 37440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
37440 is a wasteful number, since it uses less digits than its factorization.
37440 is an evil number, because the sum of its binary digits is even.
The square root of 37440 is about 193.4941859592. The cubic root of 37440 is about 33.4537864295.
The spelling of 37440 in words is "thirty-seven thousand, four hundred forty".