27641081 has 8 divisors (see below), whose sum is σ = 30187584. Its totient is φ = 25154640.

The previous prime is 27641071. The next prime is 27641083. The reversal of 27641081 is 18014672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27641081 - 2⁶ = 27641017 is a prime.

It is a super-2 number, since 2×27641081² = 1528058717697122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27641083) 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, 14051 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (3773448).

Almost surely, 2^27641081 is an apocalyptic number.

It is an amenable number.

27641081 is a deficient number, since it is larger than the sum of its proper divisors (2546503).

27641081 is a wasteful number, since it uses less digits than its factorization.

27641081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30031.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27641081 is about 5257.4785781779. The cubic root of 27641081 is about 302.3558259301.

The spelling of 27641081 in words is "twenty-seven million, six hundred forty-one thousand, eighty-one".