Step 1: Divide the number into separate digits:
10736 => 1 0 7 3 6
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
1 to 0 = 1
0 to 7 = 7
7 to 3 = 4
3 to 6 = 3
6 to 1 = 5
Step 3: Combine the filters to a string:
1 7 4 3 5 = 17435