27475146 has 16 divisors (see below), whose sum is σ = 61056000. Its totient is φ = 9158364.

The previous prime is 27475141. The next prime is 27475163. The reversal of 27475146 is 64157472.

It is a self number, because there is not a number n which added to its sum of digits gives 27475146.

It is not an unprimeable number, because it can be changed into a prime (27475141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254346 + ... + 254453.

It is an arithmetic number, because the mean of its divisors is an integer number (3816000).

Almost surely, 2^27475146 is an apocalyptic number.

27475146 is an abundant number, since it is smaller than the sum of its proper divisors (33580854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27475146 is a wasteful number, since it uses less digits than its factorization.

27475146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508810 (or 508804 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 27475146 is about 5241.6739692583. The cubic root of 27475146 is about 301.7495767686.

The spelling of 27475146 in words is "twenty-seven million, four hundred seventy-five thousand, one hundred forty-six".