'Seventy' in the Bible

And all the souls that came out of the loins of Jacob were seventy souls: for Joseph was in Egypt already.

And he said unto Moses, Come up unto the LORD, thou, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship ye afar off.

Then went up Moses, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel:

And of the thousand seven hundred seventy and five shekels he made hooks for the pillars, and overlaid their chapiters, and filleted them.

And the brass of the offering was seventy talents, and two thousand and four hundred shekels.