This is the seventh DC Universe film, and the number 7 plays a major theme throughout the film. There were seven wizards, of whom Shazam is the last oneThere are Seven Deadly Sins in the filmThe incantation to get to the Rock of Eternity are seven symbols, repeated seven timesFreddy wants a house with seven roomsMarilyn Batson lives in apartment 707 on the seventh floor of her apartment buildingThere are seven champions in the film: Shazam, his five siblings (the Marvel Family), and the former champion Black AdamMister Mind mentions the Seven Realms to Dr. Sivana."Septa" is seen written on public transport vehicles. Septa is Latin for Seven.