27420895 has 16 divisors (see below), whose sum is σ = 35758080. Its totient is φ = 20109600.

The previous prime is 27420893. The next prime is 27420907. The reversal of 27420895 is 59802472.

It is not a de Polignac number, because 27420895 - 2¹ = 27420893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27420893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (2234880).

Almost surely, 2^27420895 is an apocalyptic number.

27420895 is a deficient number, since it is larger than the sum of its proper divisors (8337185).

27420895 is a wasteful number, since it uses less digits than its factorization.

27420895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 27420895 is about 5236.4964432338. The cubic root of 27420895 is about 301.5508395448.

The spelling of 27420895 in words is "twenty-seven million, four hundred twenty thousand, eight hundred ninety-five".