27490103 has 4 divisors (see below), whose sum is σ = 27509400. Its totient is φ = 27470808.

The previous prime is 27490063. The next prime is 27490109. The reversal of 27490103 is 30109472.

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 27490103 - 2¹⁰ = 27489079 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 (27490109) 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, 7325 + ... + 10422.

It is an arithmetic number, because the mean of its divisors is an integer number (6877350).

Almost surely, 2^27490103 is an apocalyptic number.

27490103 is a deficient number, since it is larger than the sum of its proper divisors (19297).

27490103 is a wasteful number, since it uses less digits than its factorization.

27490103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19296.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 27490103 is about 5243.1005140089. The cubic root of 27490103 is about 301.8043226067.

Adding to 27490103 its reverse (30109472), we get a palindrome (57599575).

The spelling of 27490103 in words is "twenty-seven million, four hundred ninety thousand, one hundred three".