27258142 has 4 divisors (see below), whose sum is σ = 40887216. Its totient is φ = 13629070.

The previous prime is 27258139. The next prime is 27258149. The reversal of 27258142 is 24185272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27258149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814534 + ... + 6814537.

It is an arithmetic number, because the mean of its divisors is an integer number (10221804).

Almost surely, 2^27258142 is an apocalyptic number.

27258142 is a deficient number, since it is larger than the sum of its proper divisors (13629074).

27258142 is a wasteful number, since it uses less digits than its factorization.

27258142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13629073.

The product of its digits is 8960, while the sum is 31.

The square root of 27258142 is about 5220.9330583718. The cubic root of 27258142 is about 300.9530505906.

The spelling of 27258142 in words is "twenty-seven million, two hundred fifty-eight thousand, one hundred forty-two".