27901142 has 4 divisors (see below), whose sum is σ = 41851716. Its totient is φ = 13950570.

The previous prime is 27901129. The next prime is 27901151. The reversal of 27901142 is 24110972.

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, 6975284 + ... + 6975287.

It is an arithmetic number, because the mean of its divisors is an integer number (10462929).

Almost surely, 2^27901142 is an apocalyptic number.

27901142 is a deficient number, since it is larger than the sum of its proper divisors (13950574).

27901142 is a wasteful number, since it uses less digits than its factorization.

27901142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950573.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 27901142 is about 5282.1531594606. The cubic root of 27901142 is about 303.3011054062.

The spelling of 27901142 in words is "twenty-seven million, nine hundred one thousand, one hundred forty-two".