"Oh, life could be a dream (sh-boom) If I could take you up in paradise up above (sh-boom) If you would tell me I'm the only one that you love Life could be a dream, sweetheart"
Najbolji broj je 73.73 je 21. prosti broj.Njegov zrcalni par, 37, je 12.,a njegov zrcalni par, 21,je nastao množenjem brojeva sedam i tri.U binarnom sustavu, 73 je palindrom: 1-0-0-1-0-0-1.