27493117 has 4 divisors (see below), whose sum is σ = 27880416. Its totient is φ = 27105820.

The previous prime is 27493111. The next prime is 27493121. The reversal of 27493117 is 71139472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27493117 - 2⁷ = 27492989 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 (27493111) 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, 193543 + ... + 193684.

It is an arithmetic number, because the mean of its divisors is an integer number (6970104).

Almost surely, 2^27493117 is an apocalyptic number.

It is an amenable number.

27493117 is a deficient number, since it is larger than the sum of its proper divisors (387299).

27493117 is an equidigital number, since it uses as much as digits as its factorization.

27493117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387298.

The product of its digits is 10584, while the sum is 34.

The square root of 27493117 is about 5243.3879314809. The cubic root of 27493117 is about 301.8153520911.

The spelling of 27493117 in words is "twenty-seven million, four hundred ninety-three thousand, one hundred seventeen".