Q: What is the negative version of the number 172,721,731?
A: -172,721,731
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:
| 172,721,729 | 172,721,730 | 172,721,732 | 172,721,733 |
| -172,721,729 | -172,721,730 | -172,721,732 | -172,721,733 |