please kindly solve fast...30 mins left...i'll upvote...input please hurry.

Consider a direct-mapped cache with a storage of 64 KiB of data. Now, if there are 4 words in each block, and the address length is 70 bit, answer the following questions: Calculate the number of blocks in the cache? Calculate the number of data bits required for the cache? Calculate the number of tag bits required for the cache? To what block number does byte address 24649 map