Why is 73 a magic number?

Could you elaborate on why 73 is considered a "magic number"? Is there a specific reason behind this belief, or is it more of a superstition? Have there been any studies or research done to prove the significance of this number in the realm of finance, cryptocurrency, or other related fields? Could you provide some examples or scenarios where 73 has played a significant role or had a notable impact? I'm curious to learn more about the origins and significance of this intriguing concept.