'Seventy' in the Bible

and Solomon numbereth seventy thousand men bearing burden, and eighty thousand men hewing in the mountain, and overseers over them -- three thousand and six hundred.

and he maketh of them seventy thousand burden-bearers, and eighty thousand hewers in the mountain, and three thousand and six hundred overseers, to cause the people to work.

And the number of the burnt-offerings that the assembly have brought in, is seventy oxen, a hundred rams, lambs two hundred; for a burnt-offering to Jehovah are all these.

to fulfil the word of Jehovah in the mouth of Jeremiah, till the land hath enjoyed its sabbaths; all the days of the desolation it kept sabbath -- to the fulness of seventy years.