27970115 has 4 divisors (see below), whose sum is σ = 33564144. Its totient is φ = 22376088.

The previous prime is 27970097. The next prime is 27970127. The reversal of 27970115 is 51107972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27970115 - 2⁶ = 27970051 is a prime.

It is a super-2 number, since 2×27970115² = 1564654666226450, which contains 22 as substring.

It is a Duffinian number.

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, 2797007 + ... + 2797016.

It is an arithmetic number, because the mean of its divisors is an integer number (8391036).

Almost surely, 2^27970115 is an apocalyptic number.

27970115 is a deficient number, since it is larger than the sum of its proper divisors (5594029).

27970115 is an equidigital number, since it uses as much as digits as its factorization.

27970115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594028.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 27970115 is about 5288.6780011644. The cubic root of 27970115 is about 303.5508248465.

The spelling of 27970115 in words is "twenty-seven million, nine hundred seventy thousand, one hundred fifteen".