you don't you write two hundred million, seven thousand. but...
seven million, seven thousand, ninety-one.
Two thousand seven hundred is 2700 (which can colloquially be called "twenty-seven hundred").
700,070
707,070
40,000 = forty thousand 7 = seven 40,007
Seven-Hundred Thousand
fifty seven thousand
two thousand and seven
You can write "two thousand twenty and seven thousandths" as 2,020.007.
707,000
Twenty-seven thousand
how to write three thousand, four hundred and seven
It is: seventy seven thousand and fourteen = 77,014
703,007
7,770
You can write 2750.