207 = 32 x 23.
207 is a number that cannot be written as a sum of three squares.
207 is the smallest possible sum of primes that are formed using each of the digits 1 through 9: 207 = 89 + 61 + 43 + 7 + 5 + 2.
207 has a fourth power where the digits of the first half are a permutation of the digits of the last half: 2074 = 1836036801.
