'Seventy' in the Bible

All the people who were directly descended from Jacob numbered seventy. But Joseph was already in Egypt,

Then they came to Elim, where there were twelve wells of water and seventy palm trees, and they camped there by the water.

But to Moses the Lord said, "Come up to the Lord, you and Aaron, Nadab and Abihu, and seventy of the elders of Israel, and worship from a distance.

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

The bronze of the wave offering was seventy talents and 2,400 shekels.