A megahertz is one million (or 106) hertz. See hertz, kilohertz (one thousand hertz), gigahertz[?] (109 hertz), terahertz[?] (1012 hertz), and petahertz[?] (1015 hertz).
... census of 2000, there are 17,006 people, 5,316 households, and 4,454 families residing in the town. The population density is 943.4/km² (2,444.3/mi²). There are ...