Yes, 7 is a real number.
Real Numbers Explained
According to the provided reference, real numbers are numbers that include both rational and irrational numbers. Furthermore, the reference states that counting numbers such as 1, 2, 3, 4, 5, 6, 7, 8, 9, etc., are part of the set of real numbers.
Therefore, since 7 is a counting number, and counting numbers are part of the set of real numbers, 7 is a real number.
