Adding to 3720 its reverse (273), we get a palindrome (3993).
3720 is nontrivially palindromic in base 11.
It is a nialpdrome in base 8 and base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3720.
3720 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 3720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3720 is a wasteful number, since it uses less digits than its factorization.
3720 is an odious number, because the sum of its binary digits is odd.
The square root of 3720 is about 60.9918027279. The cubic root of 3720 is about 15.4946217900.
The spelling of 3720 in words is "three thousand, seven hundred twenty", and thus it is an iban number.