The Number 73: Properties and Meanings73 is a Prime Number.
73 can be Partitioned 37 times with each term no larger than 2.
73 can be Partitioned 481 times with each term no larger than 3.
73 is a Centered 12-gonal Number.
73 is a Centered 24-gonal Number.
73 is the least number of sixth powers needed to represent every possible integer.
Tantalum is a hard, grey-white, metallic element with atomic number 73.