27945488 has 20 divisors (see below), whose sum is σ = 54683628. Its totient is φ = 13833600.

The previous prime is 27945487. The next prime is 27945493. The reversal of 27945488 is 88454972.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14047504 + 13897984 = 3748^2 + 3728^2 .

It is not an unprimeable number, because it can be changed into a prime (27945481) 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, 7031 + ... + 10262.

Almost surely, 2^27945488 is an apocalyptic number.

It is an amenable number.

27945488 is a deficient number, since it is larger than the sum of its proper divisors (26738140).

27945488 is a wasteful number, since it uses less digits than its factorization.

27945488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402 (or 17396 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 27945488 is about 5286.3492128311. The cubic root of 27945488 is about 303.4617090021.

The spelling of 27945488 in words is "twenty-seven million, nine hundred forty-five thousand, four hundred eighty-eight".