'Seventy' in the Bible

Jesus said to him, "I don't tell you until seven times, but, until seventy times seven.

Now after these things, the Lord also appointed seventy others, and sent them two by two ahead of him into every city and place, where he was about to come.

The seventy returned with joy, saying, "Lord, even the demons are subject to us in your name!"

He called to himself two of the centurions, and said, "Prepare two hundred soldiers to go as far as Caesarea, with seventy horsemen, and two hundred men armed with spears, at the third hour of the night."