Nethaniah is a Hebrew name that means 'Gift of God' or 'God has given'. It is a significant name in the Bible, as Nethaniah was the name of several individuals, including a son of Elam and a leader of the people during the reign of King Jehoiakim. The name Nethaniah is associated with the lucky number 7, which symbolizes spiritual growth and introspection. The name is predominantly used as a boy's name in Christian communities.