27696245 has 4 divisors (see below), whose sum is σ = 33235500. Its totient is φ = 22156992.

The previous prime is 27696241. The next prime is 27696283. The reversal of 27696245 is 54269672.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14922769 + 12773476 = 3863^2 + 3574^2 .

It is a cyclic number.

It is not a de Polignac number, because 27696245 - 2² = 27696241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27696241) 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, 2769620 + ... + 2769629.

It is an arithmetic number, because the mean of its divisors is an integer number (8308875).

Almost surely, 2^27696245 is an apocalyptic number.

It is an amenable number.

27696245 is a deficient number, since it is larger than the sum of its proper divisors (5539255).

27696245 is an equidigital number, since it uses as much as digits as its factorization.

27696245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539254.

The product of its digits is 181440, while the sum is 41.

The square root of 27696245 is about 5262.7222043349. The cubic root of 27696245 is about 302.5568319785.

The spelling of 27696245 in words is "twenty-seven million, six hundred ninety-six thousand, two hundred forty-five".