'Seventy' in the Bible

Standing in front of them were seventy elders of the house of Israel, with Jaazaniah the son of Shaphan standing among them, each man with his censer in his hand and the fragrance of the cloud of incense rising.

The building that was in front of the separate area at the side toward the west was seventy cubits wide; and the wall of the building was five cubits thick all around, and its length was ninety cubits.