Il numero romano MMCMLXX nel sistema decimale vale: 2970.
MMCMLXX in latino si scrive duo milia nongenti septuaginta,
mentre in italiano duemilanovecentosettanta.
MMCMLI, MMCMLII, MMCMLIII, MMCMLIV, MMCMLV, MMCMLVI, MMCMLVII, MMCMLVIII, MMCMLIX, MMCMLX, MMCMLXI, MMCMLXII, MMCMLXIII, MMCMLXIV, MMCMLXV, MMCMLXVI, MMCMLXVII, MMCMLXVIII, MMCMLXIX, MMCMLXXI, MMCMLXXII, MMCMLXXIII, MMCMLXXIV, MMCMLXXV, MMCMLXXVI, MMCMLXXVII, MMCMLXXVIII, MMCMLXXIX, MMCMLXXX, MMCMLXXXI, MMCMLXXXII, MMCMLXXXIII, MMCMLXXXIV, MMCMLXXXV, MMCMLXXXVI, MMCMLXXXVII, MMCMLXXXVIII, MMCMLXXXIX