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74 (number)
74 (seventy-four) is the natural number following 73 and preceding 75. ==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.
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