In Mathematics
74 is the twenty-first distinct semiprime and the eleventh of the form 2×q. The aliquot sum of 74 is 40 within the aliquot sequence (74,40,43,1,0), 74 being the sixth composite number in the 43-aliquot tree.
74 is a nontotient. There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.
Read more about this topic: 74 (number)
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