七なな十じゅう

numeric

seventy; 70

The number seventy. The reading しちじゅう is standard; ななじゅう is a common alternative, especially in spoken counting or to avoid confusion with いちじゅう. The reading ななそ is obsolete.

• 祖そ父ふは今年ことし七しち十じゅっ歳さいになります。