By the uniqueness of numbers, it is equal to 18 billion: no more, no less.
-222
981,972,963,954,864,783
Three numbers that equal 72 are 24, 24, and 24. Another set of three numbers that equal 72 are 36, 18, and 18. Additionally, 8, 24, and 40 are another set of three numbers that equal 72.
74
18 divided by 3=6
-19 + 1 = -18
18
37
-3, -6
58
2 x 3 x 3 = 18