27479385 has 32 divisors (see below), whose sum is σ = 50544000. Its totient is φ = 14148288.

The previous prime is 27479381. The next prime is 27479407. The reversal of 27479385 is 58397472.

It is not a de Polignac number, because 27479385 - 2² = 27479381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (423360) is a multiple of the sum of its prime divisors (7056).

It is a self number, because there is not a number n which added to its sum of digits gives 27479385.

It is not an unprimeable number, because it can be changed into a prime (27479381) 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, 406 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (1579500).

Almost surely, 2^27479385 is an apocalyptic number.

It is an amenable number.

27479385 is a deficient number, since it is larger than the sum of its proper divisors (23064615).

27479385 is a wasteful number, since it uses less digits than its factorization.

27479385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062 (or 7056 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 27479385 is about 5242.0783092205. The cubic root of 27479385 is about 301.7650944378.

The spelling of 27479385 in words is "twenty-seven million, four hundred seventy-nine thousand, three hundred eighty-five".