27742874 has 4 divisors (see below), whose sum is σ = 41614314. Its totient is φ = 13871436.

The previous prime is 27742867. The next prime is 27742901. The reversal of 27742874 is 47824772.

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

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 5793649 = 4685^2 + 2407^2 .

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 as a sum of consecutive naturals, namely, 6935717 + ... + 6935720.

Almost surely, 2^27742874 is an apocalyptic number.

27742874 is a deficient number, since it is larger than the sum of its proper divisors (13871440).

27742874 is a wasteful number, since it uses less digits than its factorization.

27742874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871439.

The product of its digits is 175616, while the sum is 41.

The square root of 27742874 is about 5267.1504630113. The cubic root of 27742874 is about 302.7265302248.

The spelling of 27742874 in words is "twenty-seven million, seven hundred forty-two thousand, eight hundred seventy-four".