Greater value:-
First lets see where 4 is in each number:-
♥640,700
♥67,040
♥640,700's 4 is in the ten thousands place. (40,000)
♥67,040 is in the tens place. (40)
To find how much the greater value is we will divide.
♥40,000 ÷ 40 = 1000
So, it is 1,000 times greater.
Hope I helped ya!!