3742 is nontrivially palindromic in base 16.
It is a semiprime because it is the product of two primes.
It is an Ulam number.
3742 is an undulating number in base 16.
It is a congruent number.
It is an unprimeable number.
3742 is a wasteful number, since it uses less digits than its factorization.
3742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1873.
The square root of 3742 is about 61.1718889687. The cubic root of 3742 is about 15.5251067263.
The spelling of 3742 in words is "three thousand, seven hundred forty-two", and thus it is an iban number.