27941797 has 8 divisors (see below), whose sum is σ = 30202200. Its totient is φ = 25697280.

The previous prime is 27941791. The next prime is 27941801. The reversal of 27941797 is 79714972.

It is a Cunningham number, because it is equal to 5286²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 27941796 = 1^2 + 5286^2 .

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 27941797 - 2¹⁵ = 27909029 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 (27941791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 7477.

It is an arithmetic number, because the mean of its divisors is an integer number (3775275).

Almost surely, 2^27941797 is an apocalyptic number.

It is an amenable number.

27941797 is a deficient number, since it is larger than the sum of its proper divisors (2260403).

27941797 is a wasteful number, since it uses less digits than its factorization.

27941797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943.

The product of its digits is 222264, while the sum is 46.

The square root of 27941797 is about 5286.0000945895. Note that the first 4 decimals coincide. The cubic root of 27941797 is about 303.4483481513.

The spelling of 27941797 in words is "twenty-seven million, nine hundred forty-one thousand, seven hundred ninety-seven".