According to Ezra 2, how many made up the whole assembly of returning exiles?

Answer: 42,360

The whole assembly numbered 42,360, besides 7,337 menservants and maidservants and 200 singers.

“The whole assembly numbered 42,360, in addition to their 7,337 menservants and maidservants, as well as their 200 male and female singers.”— Ezra 2:64-65 (BSB)