27421107 has 16 divisors (see below), whose sum is σ = 42915072. Its totient is φ = 15245280.

The previous prime is 27421103. The next prime is 27421109. The reversal of 27421107 is 70112472.

It is not a de Polignac number, because 27421107 - 2² = 27421103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27421103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16869 + ... + 18422.

It is an arithmetic number, because the mean of its divisors is an integer number (2682192).

Almost surely, 2^27421107 is an apocalyptic number.

27421107 is a deficient number, since it is larger than the sum of its proper divisors (15493965).

27421107 is a wasteful number, since it uses less digits than its factorization.

27421107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35338.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 27421107 is about 5236.5166857368. The cubic root of 27421107 is about 301.5516166726.

Adding to 27421107 its reverse (70112472), we get a palindrome (97533579).

The spelling of 27421107 in words is "twenty-seven million, four hundred twenty-one thousand, one hundred seven".