27645142 has 32 divisors (see below), whose sum is σ = 49335552. Its totient is φ = 11371104.

The previous prime is 27645119. The next prime is 27645151. The reversal of 27645142 is 24154672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42673 + ... + 43315.

It is an arithmetic number, because the mean of its divisors is an integer number (1541736).

Almost surely, 2^27645142 is an apocalyptic number.

27645142 is a deficient number, since it is larger than the sum of its proper divisors (21690410).

27645142 is a wasteful number, since it uses less digits than its factorization.

27645142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its digits is 13440, while the sum is 31.

The square root of 27645142 is about 5257.8647757431. The cubic root of 27645142 is about 302.3706324770.

The spelling of 27645142 in words is "twenty-seven million, six hundred forty-five thousand, one hundred forty-two".