27010921 has 8 divisors (see below), whose sum is σ = 31043520. Its totient is φ = 23021808.

The previous prime is 27010903. The next prime is 27010927. The reversal of 27010921 is 12901072.

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

It is a cyclic number.

It is not a de Polignac number, because 27010921 - 2⁷ = 27010793 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27010892 and 27010901.

It is not an unprimeable number, because it can be changed into a prime (27010927) 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 7 ways as a sum of consecutive naturals, for example, 9526 + ... + 12031.

It is an arithmetic number, because the mean of its divisors is an integer number (3880440).

Almost surely, 2^27010921 is an apocalyptic number.

It is an amenable number.

27010921 is a deficient number, since it is larger than the sum of its proper divisors (4032599).

27010921 is a wasteful number, since it uses less digits than its factorization.

27010921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21743.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 27010921 is about 5197.2031901783. The cubic root of 27010921 is about 300.0404426959.

Adding to 27010921 its reverse (12901072), we get a palindrome (39911993).

The spelling of 27010921 in words is "twenty-seven million, ten thousand, nine hundred twenty-one".