27700836 has 12 divisors (see below), whose sum is σ = 64635312. Its totient is φ = 9233608.

The previous prime is 27700819. The next prime is 27700843. The reversal of 27700836 is 63800772.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 27700797 and 27700806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154190 + ... + 1154213.

It is an arithmetic number, because the mean of its divisors is an integer number (5386276).

Almost surely, 2^27700836 is an apocalyptic number.

It is an amenable number.

27700836 is an abundant number, since it is smaller than the sum of its proper divisors (36934476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27700836 is a wasteful number, since it uses less digits than its factorization.

27700836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308410 (or 2308408 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 27700836 is about 5263.1583673684. The cubic root of 27700836 is about 302.5735485848.

The spelling of 27700836 in words is "twenty-seven million, seven hundred thousand, eight hundred thirty-six".