Il numero romano CCLXXIV nel sistema decimale vale: 274.
CCLXXIV in latino si scrive ducenti septuaginta quattuor,
mentre in italiano duecentosettantaquattro.
CCLV, CCLVI, CCLVII, CCLVIII, CCLIX, CCLX, CCLXI, CCLXII, CCLXIII, CCLXIV, CCLXV, CCLXVI, CCLXVII, CCLXVIII, CCLXIX, CCLXX, CCLXXI, CCLXXII, CCLXXIII, CCLXXV, CCLXXVI, CCLXXVII, CCLXXVIII, CCLXXIX, CCLXXX, CCLXXXI, CCLXXXII, CCLXXXIII, CCLXXXIV, CCLXXXV, CCLXXXVI, CCLXXXVII, CCLXXXVIII, CCLXXXIX, CCXC, CCXCI, CCXCII, CCXCIII