27025906 has 4 divisors (see below), whose sum is σ = 40538862. Its totient is φ = 13512952.

The previous prime is 27025877. The next prime is 27025931. The reversal of 27025906 is 60952072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24651225 + 2374681 = 4965^2 + 1541^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 6756475 + ... + 6756478.

Almost surely, 2^27025906 is an apocalyptic number.

27025906 is a deficient number, since it is larger than the sum of its proper divisors (13512956).

27025906 is a wasteful number, since it uses less digits than its factorization.

27025906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512955.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 27025906 is about 5198.6446310553. The cubic root of 27025906 is about 300.0959174777.

Adding to 27025906 its reverse (60952072), we get a palindrome (87977978).

The spelling of 27025906 in words is "twenty-seven million, twenty-five thousand, nine hundred six".