# 73

This number is a prime.

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The smallest multidigit prime partial sum of deficient numbers: 1 + 2 + 3 + 4 + 5 + 7 + 8 + 9 + 10 + 11 + 13 = 73 is prime. [Post]

The second prime Apéry number. [Post]

The largest Scrabble value of "New Mexico." It is the largest possible prime value of all the US States. [Post]

Smallest emirp partial sum of tetrahedron-tree numbers: 1 + 2 + 5 + 6 + 9 + 15 + 16 + 19 = 73. [Post]

There are 73 non-isomorphic Jordan algebras. [Post]

(There is one curio for this number that has not yet been approved by an editor.)

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