Has an AFL game ever ended 147-72?
Exactly once. On July 17, 1982, Richmond beat Melbourne 147-72, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 147-72 in league history.
That makes 147-72 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 148-72 has happened 2 times and 147-73 has happened never.