27042156 has 36 divisors (see below), whose sum is σ = 68868072. Its totient is φ = 8946624.

The previous prime is 27042139. The next prime is 27042161. The reversal of 27042156 is 65124072.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×27042156² = 1462556402256672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2191 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (1913002).

Almost surely, 2^27042156 is an apocalyptic number.

It is an amenable number.

27042156 is an abundant number, since it is smaller than the sum of its proper divisors (41825916).

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

27042156 is a wasteful number, since it uses less digits than its factorization.

27042156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27042156 is about 5200.2073035601. The cubic root of 27042156 is about 300.1560521450.

The spelling of 27042156 in words is "twenty-seven million, forty-two thousand, one hundred fifty-six".