'Seventy' in the Bible

Jesus saith to him, 'I do not say to thee till seven times, but till seventy times seven.

And after these things, the Lord did appoint also other seventy, and sent them by twos before his face, to every city and place whither he himself was about to come,

And the seventy turned back with joy, saying, 'Sir, and the demons are being subjected to us in thy name;'

and Joseph having sent, did call for his father Jacob, and all his kindred -- with seventy and five souls --

and having called near a certain two of the centurions, he said, 'Make ready soldiers two hundred, that they may go on unto Caesarea, and horsemen seventy, and spearmen two hundred, from the third hour of the night;

(and we were -- all the souls in the ship -- two hundred, seventy and six),