27066320 has 40 divisors (see below), whose sum is σ = 63291336. Its totient is φ = 10764288.

The previous prime is 27066293. The next prime is 27066323. The reversal of 27066320 is 2366072.

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 26666896 = 632^2 + 5164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 27066320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14564 + ... + 16316.

Almost surely, 2^27066320 is an apocalyptic number.

27066320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27066320 is an abundant number, since it is smaller than the sum of its proper divisors (36225016).

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

27066320 is a wasteful number, since it uses less digits than its factorization.

27066320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 27066320 is about 5202.5301536848. The cubic root of 27066320 is about 300.2454287906.

The spelling of 27066320 in words is "twenty-seven million, sixty-six thousand, three hundred twenty".