374

374 = 2 x 11 x17.

374 is the smallest number with eight representations as a sum of three positive squares: 374 = 1² + 7² + 18² = 2² + 3² + 19² = 2² + 9² + 17² = 3² + 13² + 14² = 5² + 5² + 18² = 6² + 7² + 17² = 6² + 13² + 13² = 7² + 10² + 15².

374 is 2444 in base 5, 1422 in base 6, 566 in base 8, and 455 in base 9.

374, 375, and 376 have the same number of divisors: 1, 2, 11, 17, 22, 34, 187, 374; 1, 3, 5, 15, 25, 75, 125, 375; 1, 2, 4, 8, 47, 94, 188, 376.

374 is a powerful number; it is the sum of positive powers of its digits.

CPR Engine 374 is on display in Vancouver, Canada. It pulled the first transcontinental train into the city on May 23, 1887.

Source: What's Special About This Number?