'Seventy' in the Bible

Jesus says to him, I say not to you, Till seven times; but, Till seventy times seven.

Now after these things, the Lord made selection of seventy others and sent them before him, two together, into every town and place where he himself was about to come.

And the seventy came back with joy, saying, Lord, even the evil spirits are under our power in your name.

Then Joseph sent for Jacob his father and all his family, seventy-five persons.

And he sent for two captains and said, Make ready two hundred men, with seventy horsemen and two hundred spearmen, to go to Caesarea, at the third hour of the night:

And we were, in the ship, two hundred and seventy-six persons.