Let's assume the number be x.
Since Josh divided a number by 8. So, it can be written as x/8.
Given the quotient is 73 with remainder 6.
Now, quotient+ remainder / divisor= 73 + 6/8 (Since the divisor is 8).
Hence we can set the equation as,
x/8= 73+





x=590
So, the number is 590.