27158072 has 16 divisors (see below), whose sum is σ = 52164000. Its totient is φ = 13247680.

The previous prime is 27158063. The next prime is 27158093. The reversal of 27158072 is 27085172.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41072 + ... + 41727.

It is an arithmetic number, because the mean of its divisors is an integer number (3260250).

Almost surely, 2^27158072 is an apocalyptic number.

It is an amenable number.

27158072 is a deficient number, since it is larger than the sum of its proper divisors (25005928).

27158072 is a wasteful number, since it uses less digits than its factorization.

27158072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82846 (or 82842 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 27158072 is about 5211.3407104122. The cubic root of 27158072 is about 300.5843130405.

Subtracting from 27158072 its reverse (27085172), we obtain a square (72900 = 270²).

The spelling of 27158072 in words is "twenty-seven million, one hundred fifty-eight thousand, seventy-two".