27494927 has 4 divisors (see below), whose sum is σ = 27767256. Its totient is φ = 27222600.

The previous prime is 27494911. The next prime is 27494977. The reversal of 27494927 is 72949472.

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

It is a cyclic number.

It is not a de Polignac number, because 27494927 - 2⁴ = 27494911 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27494977) 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, 136013 + ... + 136214.

It is an arithmetic number, because the mean of its divisors is an integer number (6941814).

Almost surely, 2^27494927 is an apocalyptic number.

27494927 is a deficient number, since it is larger than the sum of its proper divisors (272329).

27494927 is a wasteful number, since it uses less digits than its factorization.

27494927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272328.

The product of its digits is 254016, while the sum is 44.

The square root of 27494927 is about 5243.5605269702. The cubic root of 27494927 is about 301.8219752495.

The spelling of 27494927 in words is "twenty-seven million, four hundred ninety-four thousand, nine hundred twenty-seven".