27438064 has 20 divisors (see below), whose sum is σ = 53690760. Its totient is φ = 13582400.

The previous prime is 27438049. The next prime is 27438079. The reversal of 27438064 is 46083472.

It is an interprime number because it is at equal distance from previous prime (27438049) and next prime (27438079).

It is a congruent number.

It is an unprimeable number.

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, 6874 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (2684538).

Almost surely, 2^27438064 is an apocalyptic number.

It is an amenable number.

27438064 is a deficient number, since it is larger than the sum of its proper divisors (26252696).

27438064 is a wasteful number, since it uses less digits than its factorization.

27438064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088 (or 17082 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 27438064 is about 5238.1355461653. The cubic root of 27438064 is about 301.6137629248.

The spelling of 27438064 in words is "twenty-seven million, four hundred thirty-eight thousand, sixty-four".