27240064 has 32 divisors (see below), whose sum is σ = 55202400. Its totient is φ = 13385472.

The previous prime is 27240049. The next prime is 27240097. The reversal of 27240064 is 46004272.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5749 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (1725075).

Almost surely, 2^27240064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27240064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27601200).

27240064 is an abundant number, since it is smaller than the sum of its proper divisors (27962336).

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

27240064 is an equidigital number, since it uses as much as digits as its factorization.

27240064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 27240064 is about 5219.2014714897. The cubic root of 27240064 is about 300.8865037161.

The spelling of 27240064 in words is "twenty-seven million, two hundred forty thousand, sixty-four".