There is a six-digit number, the number in the ones place is 6, the number in the tens place is 4, and the sum of any adjacent three numbers is 17. What is the six-digit number?
有一个六位数，个位上的数字是6，十位上的数字是4，任意相邻的三个数位上的数的和都是17，．这个六位数是多少．
<result>746_746</result>