37 These are the families of the sons of Ephraim according to those who were counted of them, thirty-two thousand five hundred. These are the sons of Joseph after their families.
Numbers 26:37 Cross References - WEB
Numbers 1:32-33
32 Of the children of Joseph: of the children of Ephraim, their generations, by their families, by their fathers’ houses, according to the number of the names, from twenty years old and upward, all who were able to go out to war:
33 those who were counted of them, of the tribe of Ephraim, were forty thousand five hundred.