27425745 has 12 divisors (see below), whose sum is σ = 47538036. Its totient is φ = 14627040.

The previous prime is 27425711. The next prime is 27425747. The reversal of 27425745 is 54752472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19079424 + 8346321 = 4368^2 + 2889^2 .

It is not a de Polignac number, because 27425745 - 2⁶ = 27425681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27425747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304686 + ... + 304775.

It is an arithmetic number, because the mean of its divisors is an integer number (3961503).

Almost surely, 2^27425745 is an apocalyptic number.

It is an amenable number.

27425745 is a deficient number, since it is larger than the sum of its proper divisors (20112291).

27425745 is a wasteful number, since it uses less digits than its factorization.

27425745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609472 (or 609469 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 27425745 is about 5236.9595186520. The cubic root of 27425745 is about 301.5686171721.

The spelling of 27425745 in words is "twenty-seven million, four hundred twenty-five thousand, seven hundred forty-five".