27052720 has 20 divisors (see below), whose sum is σ = 62897760. Its totient is φ = 10821056.

The previous prime is 27052717. The next prime is 27052723. The reversal of 27052720 is 2725072.

It is an interprime number because it is at equal distance from previous prime (27052717) and next prime (27052723).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (27052723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169000 + ... + 169159.

It is an arithmetic number, because the mean of its divisors is an integer number (3144888).

Almost surely, 2^27052720 is an apocalyptic number.

27052720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27052720 is an abundant number, since it is smaller than the sum of its proper divisors (35845040).

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

27052720 is a wasteful number, since it uses less digits than its factorization.

27052720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338172 (or 338166 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 27052720 is about 5201.2229331187. Note that the first 3 decimals coincide. The cubic root of 27052720 is about 300.1951323097.

Adding to 27052720 its reverse (2725072), we get a palindrome (29777792).

It can be divided in two parts, 27052 and 720, that added together give a palindrome (27772).

The spelling of 27052720 in words is "twenty-seven million, fifty-two thousand, seven hundred twenty".