27873742 has 16 divisors (see below), whose sum is σ = 45701712. Its totient is φ = 12672000.

The previous prime is 27873739. The next prime is 27873749. The reversal of 27873742 is 24737872.

It is a junction number, because it is equal to n+sod(n) for n = 27873695 and 27873704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27873749) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6259 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (2856357).

Almost surely, 2^27873742 is an apocalyptic number.

27873742 is a deficient number, since it is larger than the sum of its proper divisors (17827970).

27873742 is a wasteful number, since it uses less digits than its factorization.

27873742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16083.

The product of its digits is 131712, while the sum is 40.

The square root of 27873742 is about 5279.5588830886. The cubic root of 27873742 is about 303.2017884180.

The spelling of 27873742 in words is "twenty-seven million, eight hundred seventy-three thousand, seven hundred forty-two".