Homonym: 73 (Prime)
The number "73" is an integer that follows 72 and precedes 74. It is classified as a prime number, meaning it can only be divided evenly by 1 and itself. In mathematics, prime numbers are significant because they serve as the building blocks for other numbers through multiplication.
In popular culture, 73 gained attention as a favorite number of the character Sheldon Cooper from the television show The Big Bang Theory. He appreciates it for its unique properties, including being the 21st prime number and having a binary representation of 1001001.