774 = 2 x 32 x 43.
774 is 3330 in base 6 and 1050 in base 9.
The sum of the digits of 774 is six times the number of digits: 7 + 7 + 4 = 18 = 6 x 3.
774 is the sum of twelve positive fifth powers: 744 = 35 + 35 + 25 + 25 + 25 + 25 + 25 + 25 + 25 + 25 + 15 + 15.