I just scored 71925 in advanced, and still had my "reroll all" left
Am thinking a plus 70K with reroll all not used is probably a rare event.
I did, however, use all 6 of the remaining abilities:
in rack 8
1 to a 5
3 to a 6
3 to a 5
In rack 9
2 to a 5
1 to 4 then 4 to a 5 under "any"