The question is giving you the rotation in revolutions so we can convert from revolutions into degrees.
[tex] \frac{62revs}{sec} * \frac{360deg}{1rev} = 22320deg/sec [/tex]
To convert to deg/min
[tex] \frac{22320deg}{sec} * \frac{60sec}{1min} = \frac{1339200deg}{min} [/tex]
In an hour
22320deg/sec * 60 = 80352000deg/hour
In a day
80352000 * 24 = 1928448000deg/day