703,007
Seven-Hundred Thousand
707,001 is the number. Seven hundred seven thousand and one, or seven hundred seven thousand one. The question originally read: seven hundred and seven thousand and one; the 'ands' are really superfluous.
707,000
Two thousand seven hundred is 2700 (which can colloquially be called "twenty-seven hundred").
750,010 seven hundred and fifty thousand and 10
7,770
one hundred thousand seven hundred forty nine
Twenty trillion seven hundred and seven billion seven hundred and twenty seven million seven hundred and seventy seven thousand = 20,707,727,777,000
Seven hundred fifty thousand
you don't you write two hundred million, seven thousand. but...
Six million, seven thousand two hundred
we can write forty thousand five hundred seven in numerical form like this:40507.