27915142 has 16 divisors (see below), whose sum is σ = 44827200. Its totient is φ = 12997800.

The previous prime is 27915119. The next prime is 27915143. The reversal of 27915142 is 24151972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27915143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984 + ... + 8467.

It is an arithmetic number, because the mean of its divisors is an integer number (2801700).

Almost surely, 2^27915142 is an apocalyptic number.

27915142 is a deficient number, since it is larger than the sum of its proper divisors (16912058).

27915142 is a wasteful number, since it uses less digits than its factorization.

27915142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its digits is 5040, while the sum is 31.

The square root of 27915142 is about 5283.4782104216. The cubic root of 27915142 is about 303.3518262149.

The spelling of 27915142 in words is "twenty-seven million, nine hundred fifteen thousand, one hundred forty-two".