27534 is a number whose representation in base 8 (65616) contains the digit 6 exactly three times such that the remaining non-6 digits add to 6. See Bespoken for Sequences entry and permalink.
Numbers from 27534 to 40000 are:
27534, 27569, 27758, 27765, 27814, 27828, 27870, 27891, 27926, 27954, 27982, 28017, 28045, 28052, 28059, 28066, 28073, 35766, 36214, 36270, 36277, 39350
27534 is a happy, interprime, self, untouchable, abundant, pseudoperfect and Zumkeller number.
27534 can be rendered as a digit equation as follows:
(-2 + 7) / 5 = -3 + 4