27430085 has 16 divisors (see below), whose sum is σ = 34406640. Its totient is φ = 20966400.

The previous prime is 27430079. The next prime is 27430127. The reversal of 27430085 is 58003472.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 160801 + 27269284 = 401^2 + 5222^2 .

It is not a de Polignac number, because 27430085 - 2⁶ = 27430021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13709 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (2150415).

Almost surely, 2^27430085 is an apocalyptic number.

It is an amenable number.

27430085 is a deficient number, since it is larger than the sum of its proper divisors (6976555).

27430085 is a wasteful number, since it uses less digits than its factorization.

27430085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 27430085 is about 5237.3738648296. The cubic root of 27430085 is about 301.5845236226.

The spelling of 27430085 in words is "twenty-seven million, four hundred thirty thousand, eighty-five".