Q: What is the negative version of the number 72,171,638?
A: -72,171,638
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 72,171,636 | 72,171,637 | 72,171,639 | 72,171,640 |
| -72,171,636 | -72,171,637 | -72,171,639 | -72,171,640 |