The properties for a bivariate distribution of two random variables $X$ and $Y$ are given below.

$E(X) = 24, \quad E(Y) = 36,$

$\quad E(X^2) = 702, \quad E(Y^2) = 1524,$

$\quad E(XY) = 1004$

The correlation coefficient between $X$ and $Y$ is ______.