27348864 has 64 divisors (see below), whose sum is σ = 73799040. Its totient is φ = 8971776.

The previous prime is 27348829. The next prime is 27348949. The reversal of 27348864 is 46884372.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25197 + ... + 26259.

It is an arithmetic number, because the mean of its divisors is an integer number (1153110).

Almost surely, 2^27348864 is an apocalyptic number.

27348864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27348864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36899520).

27348864 is an abundant number, since it is smaller than the sum of its proper divisors (46450176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27348864 is a wasteful number, since it uses less digits than its factorization.

27348864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1135 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 27348864 is about 5229.6141349052. The cubic root of 27348864 is about 301.2865635160.

The spelling of 27348864 in words is "twenty-seven million, three hundred forty-eight thousand, eight hundred sixty-four".