27730103 has 2 divisors, whose sum is σ = 27730104. Its totient is φ = 27730102.

The previous prime is 27730099. The next prime is 27730121. The reversal of 27730103 is 30103772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27730103 - 2² = 27730099 is a prime.

It is a super-2 number, since 2×27730103² = 1537917224781218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27730133) 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 as a sum of consecutive naturals, namely, 13865051 + 13865052.

It is an arithmetic number, because the mean of its divisors is an integer number (13865052).

Almost surely, 2^27730103 is an apocalyptic number.

27730103 is a deficient number, since it is larger than the sum of its proper divisors (1).

27730103 is an equidigital number, since it uses as much as digits as its factorization.

27730103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 27730103 is about 5265.9379981158. The cubic root of 27730103 is about 302.6800712806.

Adding to 27730103 its reverse (30103772), we get a palindrome (57833875).

The spelling of 27730103 in words is "twenty-seven million, seven hundred thirty thousand, one hundred three".