Properties of the number 8049637:
8049637 is a cyclic number.8049637 = 73 × 110269 is semiprime and squarefree.
8049637 has 2 distinct prime factors, 4 divisors, 13 antidivisors and 7939296 totatives.
8049637 has an emirp digit sum 37 in base 10.
8049637 = 40248192 - 40248182 = 551712 - 550982 is the difference of 2 nonnegative squares in 2 ways.
8049637 is the sum of 2 positive triangular numbers.
8049637 is the difference of 2 positive pentagonal numbers in 2 ways.
8049637 = 12862 + 25292 = 6942 + 27512 is the sum of 2 positive squares in 2 ways.
8049637 = 1002 + 2312 + 28262 is the sum of 3 positive squares.
80496372 = 52929122 + 60647952 = 47420452 + 65045882 = 38183882 + 70863652 = 17826602 + 78497632 is the sum of 2 positive squares in 4 ways.
80496372 is the sum of 3 positive squares.
8049637 is a proper divisor of 15973063 - 1.
8049637 is an emirpimes in (at least) the following bases: 3, 5, 12, 13, 14, 15, 16, 17, 20, 21, 29, 31, 38, 41, 44, 49, 51, 55, 60, 61, 62, 71, 78, 83, 88, 93, 94, 95, and 99.