What Is Your Favorite Number?

Using the same sort of schema that the Math Jokes For Mathy Folks uses, I came up with my favorite number 705:

• 705 is the product of 3, 5, and 47 which are the unique prime numbers in the prime decomposition of the numbers 15 May 47 (5/15/47) my birthday.
  
• The 705^th Strong Number (Greek) is "To Number" "ἀριθμέω" (transliteration - "arithmeō")
  
• 705 Is: The 4^th 73-Gonal Number (72-gonal Numbers 1, 72, 213, 424, 705, 1038, 1477, 1968, 2529..)
  
• 705 Is: The 3^rd 236-Gonal Number (236-gonal Numbers 1, 236, 705, 1408, 2345..)
  
• 705 Is: The First Lucas Pseudoprime