Nehemiah 7:67
not counting their 7,337 male and female servants. They also had 245 male and female singers.
Ezra 2:65
not counting their male and female servants, who numbered 7,337. They also had 200 male and female singers
Isaiah 45:1-2
This is what the Lord says to his chosen one, to Cyrus, whose right hand I hold in order to subdue nations before him, and disarm kings, to open doors before him, so gates remain unclosed:
Jeremiah 27:7
All nations must serve him and his son and grandson until the time comes for his own nation to fall. Then many nations and great kings will in turn subjugate Babylon.