27427679 has 8 divisors (see below), whose sum is σ = 28207872. Its totient is φ = 26654040.

The previous prime is 27427669. The next prime is 27427691. The reversal of 27427679 is 97672472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27427679 - 2⁴ = 27427663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27427669) 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 7 ways as a sum of consecutive naturals, for example, 7562 + ... + 10584.

It is an arithmetic number, because the mean of its divisors is an integer number (3525984).

Almost surely, 2^27427679 is an apocalyptic number.

27427679 is a deficient number, since it is larger than the sum of its proper divisors (780193).

27427679 is a wasteful number, since it uses less digits than its factorization.

27427679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its digits is 296352, while the sum is 44.

The square root of 27427679 is about 5237.1441645233. The cubic root of 27427679 is about 301.5757056456.

The spelling of 27427679 in words is "twenty-seven million, four hundred twenty-seven thousand, six hundred seventy-nine".