√74 ≈ 8.6023
√74 is an irrational number, so its decimals never end or repeat. It sits between 8 and 9 because 8² = 64 and 9² = 81.
| Decimal places | Value |
|---|---|
| 0 | 9 |
| 1 | 8.6 |
| 2 | 8.60 |
| 3 | 8.602 |
| 4 | 8.6023 |
| 5 | 8.60233 |
| 10 (digits) | 8.6023252670 |
74 has no perfect-square factor other than 1, so √74 is already in simplest radical form.
8.6023 × 8.6023 ≈ 73.9996, which is very close to 74.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 70 | 8.3666 |
| 71 | 8.4261 |
| 72 | 8.4853 |
| 73 | 8.5440 |
| 75 | 8.6603 |
| 76 | 8.7178 |
| 77 | 8.7750 |
| 78 | 8.8318 |