27070517 has 12 divisors (see below), whose sum is σ = 28727244. Its totient is φ = 25502400.

The previous prime is 27070513. The next prime is 27070529. The reversal of 27070517 is 71507072.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 7365796 = 4439^2 + 2714^2 .

It is not a de Polignac number, because 27070517 - 2² = 27070513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27070517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38267 + ... + 38967.

It is an arithmetic number, because the mean of its divisors is an integer number (2393937).

Almost surely, 2^27070517 is an apocalyptic number.

It is an amenable number.

27070517 is a deficient number, since it is larger than the sum of its proper divisors (1656727).

27070517 is an equidigital number, since it uses as much as digits as its factorization.

27070517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 27070517 is about 5202.9334994789. The cubic root of 27070517 is about 300.2609470304.

Adding to 27070517 its reverse (71507072), we get a palindrome (98577589).

The spelling of 27070517 in words is "twenty-seven million, seventy thousand, five hundred seventeen".