27867942 has 32 divisors (see below), whose sum is σ = 62985600. Its totient is φ = 9130824.

The previous prime is 27867941. The next prime is 27867943. The reversal of 27867942 is 24976872.

It is an interprime number because it is at equal distance from previous prime (27867941) and next prime (27867943).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27867941) 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 15 ways as a sum of consecutive naturals, for example, 1188 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (1968300).

Almost surely, 2^27867942 is an apocalyptic number.

27867942 is an abundant number, since it is smaller than the sum of its proper divisors (35117658).

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

27867942 is a wasteful number, since it uses less digits than its factorization.

27867942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817 (or 8811 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 27867942 is about 5279.0095661971. The cubic root of 27867942 is about 303.1807567680.

The spelling of 27867942 in words is "twenty-seven million, eight hundred sixty-seven thousand, nine hundred forty-two".