The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 7637.
7637 has 4 digits. The digits in 7637 are 7, 6, 3, and 7.
When you are asking for the sum of the digits of 7637, you are basically asking what is
7 plus 6 plus 3 plus 7?
Therefore, the sum of the digits in 7637 is as follows:
7 + 6 + 3 + 7 = 23
Sum of digits in 7638
See if you can calculate the sum of the digits in the next number on our list before you go here.
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