Two million sixty four thousand sixty nine is written 2,064,069.
Four million, six hundred five thousand, sixty-four is 4,605,064
4000,000 four million 500,000 five hundred thousand 60 sixty 4,500,060
Seventeen million sixty-four thousand ninety-six written out is 17,064,096.
You can write that as you wrote in the question: "4.76 million". This would be pronounced as "4 point seven six million". You can also write it as "4 million, seven-hundred and sixty thousand".
"Nine million sixty-four thousand seven hundred one" = 9,064,701
Four million, one hundred and sixty thousand and sixty-three.
4,060,000
1,460,000
61,004,002
64 400 000
4,560,000
1,354,000,000