The number "seven hundred and four thousand, six hundred and twenty" is written as 704,620 in numeric or standard form. In converting a number expressed in words to numerals, it is important to write each digit in its proper place value.
Numbers are abstract ideas that are written in three ways: standard form, word form and expanded form. Standard form is written in numerals, which are the corresponding symbols for numbers. When a given number is expressed in words, conversion is needed to render that same number in standard, or numeric, form. The given number is divided into two sections, called periods, that are divided by a comma.