It is a happy number.
1742 is nontrivially palindromic in base 5.
1742 is an esthetic number in base 5, base 9 and base 12, because in such bases its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 9, base 11 and base 16.
It is a nialpdrome in base 13.
It is a congruent number.
1742 is a wasteful number, since it uses less digits than its factorization.
1742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82.
The square root of 1742 is about 41.7372735094. The cubic root of 1742 is about 12.0323202792.
Subtracting from 1742 its sum of digits (14), we obtain a cube (1728 = 123).
Subtracting 1742 from its reverse (2471), we obtain a 6-th power (729 = 36).
The spelling of 1742 in words is "one thousand, seven hundred forty-two", and thus it is an iban number.