27094021 has 4 divisors (see below), whose sum is σ = 27342700. Its totient is φ = 26845344.

The previous prime is 27094013. The next prime is 27094037. The reversal of 27094021 is 12049072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13322500 + 13771521 = 3650^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 27094021 - 2³ = 27094013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27094121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124176 + ... + 124393.

It is an arithmetic number, because the mean of its divisors is an integer number (6835675).

Almost surely, 2^27094021 is an apocalyptic number.

It is an amenable number.

27094021 is a deficient number, since it is larger than the sum of its proper divisors (248679).

27094021 is a wasteful number, since it uses less digits than its factorization.

27094021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248678.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 27094021 is about 5205.1917351813. The cubic root of 27094021 is about 300.3478225018.

The spelling of 27094021 in words is "twenty-seven million, ninety-four thousand, twenty-one".