27479461 has 4 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 27440524.

The previous prime is 27479407. The next prime is 27479509. The reversal of 27479461 is 16497472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27479461 - 2¹⁵ = 27446693 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27479261) 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 3 ways as a sum of consecutive naturals, for example, 18391 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^27479461 is an apocalyptic number.

It is an amenable number.

27479461 is a deficient number, since it is larger than the sum of its proper divisors (38939).

27479461 is an equidigital number, since it uses as much as digits as its factorization.

27479461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38938.

The product of its digits is 84672, while the sum is 40.

The square root of 27479461 is about 5242.0855582487. The cubic root of 27479461 is about 301.7653726358.

The spelling of 27479461 in words is "twenty-seven million, four hundred seventy-nine thousand, four hundred sixty-one".