27850142 has 4 divisors (see below), whose sum is σ = 41775216. Its totient is φ = 13925070.

The previous prime is 27850129. The next prime is 27850153. The reversal of 27850142 is 24105872.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962534 + ... + 6962537.

It is an arithmetic number, because the mean of its divisors is an integer number (10443804).

Almost surely, 2^27850142 is an apocalyptic number.

27850142 is a deficient number, since it is larger than the sum of its proper divisors (13925074).

27850142 is a wasteful number, since it uses less digits than its factorization.

27850142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13925073.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 27850142 is about 5277.3233745906. The cubic root of 27850142 is about 303.1161931334.

The spelling of 27850142 in words is "twenty-seven million, eight hundred fifty thousand, one hundred forty-two".