Question

Now you might remember the names of the Seven Wonders, but do you know why 'seven' was such an auspicious number in ancient cultures?

Answer 1

Of the first 10 numbers, seven is the most prime. You cannot multiply or divide it within the group. It feels unique.”
-There are seven ancient wonders of the world, seven days of the week, seven circles of the universe, seven deadly sins, and seven basic musical notes.
-Christian denominations consider seven to be a holy number because Genesis says that God rested on the 7th day and man was created on the 6th day.
-The ancient cultures adopted seven gods or dieties.
-Pythagoreans considered seven to be a perfect number.
-There were seven lucky gods who brought good fortune in the Japanese tradition.
-The Arabs built seven holy temples.

That's the reason 'Seven' was such an auspicious number!