The product of the digits of the four-digit number h is 42

The product of the digits of the four-digit number h is 42. No two digits of h are identical. How many different numbers are possible values of h?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #20576