27275906 has 48 divisors (see below), whose sum is σ = 51276480. Its totient is φ = 10627200.

The previous prime is 27275893. The next prime is 27275909. The reversal of 27275906 is 60957272.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 27275906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27275909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447116 + ... + 447176.

It is an arithmetic number, because the mean of its divisors is an integer number (1068260).

Almost surely, 2^27275906 is an apocalyptic number.

27275906 is a deficient number, since it is larger than the sum of its proper divisors (24000574).

27275906 is a wasteful number, since it uses less digits than its factorization.

27275906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 27275906 is about 5222.6340097694. The cubic root of 27275906 is about 301.0184129456.

The spelling of 27275906 in words is "twenty-seven million, two hundred seventy-five thousand, nine hundred six".