27106945 has 8 divisors (see below), whose sum is σ = 33321960. Its totient is φ = 21156480.

The previous prime is 27106931. The next prime is 27106979. The reversal of 27106945 is 54960172.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 26553409 = 744^2 + 5153^2 .

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

It is not a de Polignac number, because 27106945 - 2¹⁷ = 26975873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27106945.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65910 + ... + 66319.

It is an arithmetic number, because the mean of its divisors is an integer number (4165245).

Almost surely, 2^27106945 is an apocalyptic number.

It is an amenable number.

27106945 is a deficient number, since it is larger than the sum of its proper divisors (6215015).

27106945 is a wasteful number, since it uses less digits than its factorization.

27106945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132275.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 27106945 is about 5206.4330399997. The cubic root of 27106945 is about 300.3955707759.

The spelling of 27106945 in words is "twenty-seven million, one hundred six thousand, nine hundred forty-five".