The number 7 is often seen as lucky in slot games and pop culture because it’s...

https://www.hometalk.com/member/259772479/erik1199557

The number 7 is often seen as lucky in slot games and pop culture because it’s tied to tradition and luck. Classic slots use 777 as a jackpot symbol, and the idea also connects to the seven-day week, a cycle many consider complete and balanced