273410＜274310	72万＞72000
8614605＞8614506	972564＞720000
5478920＞5478910	11000000＞999750
10000000＞9999999	843000＜843100
639000＜640000	1112220＞1112210．

故答案为：＜；＞；＞；＞；＞；＞；＞；＜；＜；＞．