27688041 has 8 divisors (see below), whose sum is σ = 41019360. Its totient is φ = 18458676.

The previous prime is 27688033. The next prime is 27688057. The reversal of 27688041 is 14088672.

It is not a de Polignac number, because 27688041 - 2³ = 27688033 is a prime.

It is a super-2 number, since 2×27688041² = 1533255228835362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27687987 and 27688005.

It is not an unprimeable number, because it can be changed into a prime (27688741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512715 + ... + 512768.

It is an arithmetic number, because the mean of its divisors is an integer number (5127420).

Almost surely, 2^27688041 is an apocalyptic number.

It is an amenable number.

27688041 is a deficient number, since it is larger than the sum of its proper divisors (13331319).

27688041 is a wasteful number, since it uses less digits than its factorization.

27688041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025492 (or 1025486 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 27688041 is about 5261.9427020826. The cubic root of 27688041 is about 302.5269552284.

The spelling of 27688041 in words is "twenty-seven million, six hundred eighty-eight thousand, forty-one".