What is the next number in this series - 52, 364, 4732, 75712, 1665664, ?

Question

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?

Answer 1

1665664=34
1665664×34=56632576