27727090 has 8 divisors (see below), whose sum is σ = 49908780. Its totient is φ = 11090832.

The previous prime is 27727069. The next prime is 27727127. The reversal of 27727090 is 9072772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25170289 + 2556801 = 5017^2 + 1599^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1386345 + ... + 1386364.

Almost surely, 2^27727090 is an apocalyptic number.

27727090 is a deficient number, since it is larger than the sum of its proper divisors (22181690).

27727090 is a wasteful number, since it uses less digits than its factorization.

27727090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772716.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 27727090 is about 5265.6519064594. The cubic root of 27727090 is about 302.6691083680.

The spelling of 27727090 in words is "twenty-seven million, seven hundred twenty-seven thousand, ninety".