'Seventy' in the Bible

And Solomon assigned seventy thousand men {to bear burdens} and eighty thousand {quarriers} in the hill country, and three thousand six hundred [men] to supervise them.

And he appointed from them seventy thousand {to bear burdens}, eighty thousand {to quarry} in the hill country, and three thousand six hundred overseers to make the people work.

And the number of burnt offerings that the assembly brought was seventy cattle, one hundred rams, two hundred lambs--all these [were] to offer to Yahweh.

to fulfill the word of Yahweh by the mouth of Jeremiah, until the land has enjoyed its Sabbaths. All the days of desolation it kept Sabbath, to fulfill seventy years.