27420585 has 32 divisors (see below), whose sum is σ = 45788160. Its totient is φ = 13996800.

The previous prime is 27420583. The next prime is 27420611. The reversal of 27420585 is 58502472.

It is not a de Polignac number, because 27420585 - 2¹ = 27420583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27420583) 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 31 ways as a sum of consecutive naturals, for example, 50415 + ... + 50955.

It is an arithmetic number, because the mean of its divisors is an integer number (1430880).

Almost surely, 2^27420585 is an apocalyptic number.

It is an amenable number.

27420585 is a deficient number, since it is larger than the sum of its proper divisors (18367575).

27420585 is a wasteful number, since it uses less digits than its factorization.

27420585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 27420585 is about 5236.4668432064. The cubic root of 27420585 is about 301.5497031716.

The spelling of 27420585 in words is "twenty-seven million, four hundred twenty thousand, five hundred eighty-five".