27064320 has 96 divisors (see below), whose sum is σ = 86682960. Its totient is φ = 7208960.

The previous prime is 27064319. The next prime is 27064343. The reversal of 27064320 is 2346072.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

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, 30280 + ... + 31160.

Almost surely, 2^27064320 is an apocalyptic number.

27064320 is a gapful number since it is divisible by the number (20) 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 27064320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43341480).

27064320 is an abundant number, since it is smaller than the sum of its proper divisors (59618640).

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

27064320 is an equidigital number, since it uses as much as digits as its factorization.

27064320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 27064320 is about 5202.3379359669. The cubic root of 27064320 is about 300.2380333061.

The spelling of 27064320 in words is "twenty-seven million, sixty-four thousand, three hundred twenty".