4+199000648-74946+037528;

To solve the expression \( 4 + 199000648 - 74946 + 037528 \), we first convert any numbers with leading zeros to their proper integer values (037528 is the same as 37528) and then perform the calculations step by step.

1. Start with the expression: \[ 4 + 199000648 - 74946 + 37528 \]

2. Combine the numbers:

   • First, add \( 4 + 199000648 \): \[ 199000652 \]

   • Next, subtract \( 74946 \) from \( 199000652 \): \[ 199000652 - 74946 = 198925706 \]

   • Finally, add \( 37528 \) to \( 198925706 \): \[ 198925706 + 37528 = 198963234 \]

So, the result of the calculation is: \[ \boxed{198963234} \]