27442393 has 16 divisors (see below), whose sum is σ = 30865536. Its totient is φ = 24186240.

The previous prime is 27442391. The next prime is 27442399. The reversal of 27442393 is 39324472.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27442393 - 2¹ = 27442391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27442391) 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, 59821 + ... + 60277.

It is an arithmetic number, because the mean of its divisors is an integer number (1929096).

Almost surely, 2^27442393 is an apocalyptic number.

It is an amenable number.

27442393 is a deficient number, since it is larger than the sum of its proper divisors (3423143).

27442393 is a wasteful number, since it uses less digits than its factorization.

27442393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its digits is 36288, while the sum is 34.

The square root of 27442393 is about 5238.5487494152. The cubic root of 27442393 is about 301.6296243125.

The spelling of 27442393 in words is "twenty-seven million, four hundred forty-two thousand, three hundred ninety-three".