There's a bit in James P Hogan's novel Code Of The Lifemaker about a charlatan mentalist, asking a crowd to pick a number under certain circumstances. Because of the way he structured it most people picked 37. See here for excerpt-
http://jm.home.xs4all.nl/37/cotl.htmlI got excited when I read that book the first time since I'd decided at about age 15 or so that 37 was "the most random number" and used it everywhere I could as some sort of odd prank.