27639041 has 8 divisors (see below), whose sum is σ = 28440864. Its totient is φ = 26848800.

The previous prime is 27639013. The next prime is 27639047. The reversal of 27639041 is 14093672.

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 27639041 - 2²² = 23444737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27638989 and 27639007.

It is not an unprimeable number, because it can be changed into a prime (27639047) 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, 2066 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (3555108).

Almost surely, 2^27639041 is an apocalyptic number.

It is an amenable number.

27639041 is a deficient number, since it is larger than the sum of its proper divisors (801823).

27639041 is an equidigital number, since it uses as much as digits as its factorization.

27639041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 27639041 is about 5257.2845652485. The cubic root of 27639041 is about 302.3483874721.

The spelling of 27639041 in words is "twenty-seven million, six hundred thirty-nine thousand, forty-one".