The number 7 is lucky in slots and pop culture because it’s tied to positive...

https://tysonsinterestingperspectives.cloudhinter.com/posts/is-it-really-seven-years-of-bad-luck-if-you-break-a-mirror

The number 7 is lucky in slots and pop culture because it’s tied to positive ideas like the seven-day week and good fortune. In classic slot games, hitting 777 often means a big win