27485469 has 24 divisors (see below), whose sum is σ = 43497792. Its totient is φ = 16585920.

The previous prime is 27485461. The next prime is 27485489. The reversal of 27485469 is 96458472.

It is a happy number.

It is not a de Polignac number, because 27485469 - 2³ = 27485461 is a prime.

It is a super-2 number, since 2×27485469² = 1510902012299922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27485461) 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 in 23 ways as a sum of consecutive naturals, for example, 30544 + ... + 31430.

It is an arithmetic number, because the mean of its divisors is an integer number (1812408).

Almost surely, 2^27485469 is an apocalyptic number.

It is an amenable number.

27485469 is a deficient number, since it is larger than the sum of its proper divisors (16012323).

27485469 is a wasteful number, since it uses less digits than its factorization.

27485469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1214 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 27485469 is about 5242.6585812925. The cubic root of 27485469 is about 301.7873632933.

The spelling of 27485469 in words is "twenty-seven million, four hundred eighty-five thousand, four hundred sixty-nine".