numeric
five million; 5,000,000
The number five million; used in counting, prices, populations, etc.
このプロジェクトの予算は五百万円です。
The budget for this project is five million yen.
その都市の人口は約五百万だ。
The population of that city is about five million.
noun
many; a great number
Only when written 五百万
Archaic noun meaning 'many' or 'a great number', restricted to the kanji form 五百万. Not used in modern Japanese.
古典では「五百万」を「いおよろず」と読み、多くの意味で使うことがある。
In classical texts, 五百万 can be read as いおよろず and used to mean 'many'.
Compound of 五 (go, 'five') + 百 (hyaku, 'hundred') + 万 (man, 'ten thousand'), literally 'five hundred ten-thousands', i.e., five million. The archaic reading いおよろず is of uncertain derivation.