Standard_M64mds_v4 is an Azure VM size with 64 vCPUs. In East US it costs $17.516 per hour on demand ($12,786.68 per month) for Linux. Spot capacity is about $3.503 per hour. It is sold in 6 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.