27942967 has 6 divisors (see below), whose sum is σ = 30257952. Its totient is φ = 25793352.

The previous prime is 27942877. The next prime is 27942989. The reversal of 27942967 is 76924972.

It is a happy number.

It is not a de Polignac number, because 27942967 - 2¹¹ = 27940919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27912967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82503 + ... + 82840.

It is an arithmetic number, because the mean of its divisors is an integer number (5042992).

Almost surely, 2^27942967 is an apocalyptic number.

27942967 is a deficient number, since it is larger than the sum of its proper divisors (2314985).

27942967 is a wasteful number, since it uses less digits than its factorization.

27942967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165369 (or 165356 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 27942967 is about 5286.1107631225. The cubic root of 27942967 is about 303.4525834982.

The spelling of 27942967 in words is "twenty-seven million, nine hundred forty-two thousand, nine hundred sixty-seven".