27642441 has 16 divisors (see below), whose sum is σ = 38161728. Its totient is φ = 17784000.

The previous prime is 27642431. The next prime is 27642443. The reversal of 27642441 is 14424672.

It is not a de Polignac number, because 27642441 - 2⁵ = 27642409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27642399 and 27642408.

It is not an unprimeable number, because it can be changed into a prime (27642443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13591 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (2385108).

Almost surely, 2^27642441 is an apocalyptic number.

It is an amenable number.

27642441 is a deficient number, since it is larger than the sum of its proper divisors (10519287).

27642441 is a wasteful number, since it uses less digits than its factorization.

27642441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 10752, while the sum is 30.

The square root of 27642441 is about 5257.6079161535. The cubic root of 27642441 is about 302.3607846988.

The spelling of 27642441 in words is "twenty-seven million, six hundred forty-two thousand, four hundred forty-one".