27933742 has 16 divisors (see below), whose sum is σ = 43630992. Its totient is φ = 13400640.

The previous prime is 27933721. The next prime is 27933749. The reversal of 27933742 is 24733972.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27933749) 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, 2817 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (2726937).

Almost surely, 2^27933742 is an apocalyptic number.

27933742 is a deficient number, since it is larger than the sum of its proper divisors (15697250).

27933742 is a wasteful number, since it uses less digits than its factorization.

27933742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its digits is 63504, while the sum is 37.

The square root of 27933742 is about 5285.2381214095. The cubic root of 27933742 is about 303.4191862073.

The spelling of 27933742 in words is "twenty-seven million, nine hundred thirty-three thousand, seven hundred forty-two".