3740 is nontrivially palindromic in base 6 and base 9.
It is an Ulam number.
3740 is an undulating number in base 13.
It is a congruent number.
It is an unprimeable number.
23740 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3740 is a wasteful number, since it uses less digits than its factorization.
3740 is an odious number, because the sum of its binary digits is odd.
The square root of 3740 is about 61.1555394057. The cubic root of 3740 is about 15.5223403138.
The spelling of 3740 in words is "three thousand, seven hundred forty", and thus it is an iban number.