27740942 has 8 divisors (see below), whose sum is σ = 42396696. Its totient is φ = 13608712.

The previous prime is 27740941. The next prime is 27740959. The reversal of 27740942 is 24904772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740941) 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 3 ways as a sum of consecutive naturals, for example, 130748 + ... + 130959.

It is an arithmetic number, because the mean of its divisors is an integer number (5299587).

Almost surely, 2^27740942 is an apocalyptic number.

27740942 is a deficient number, since it is larger than the sum of its proper divisors (14655754).

27740942 is a wasteful number, since it uses less digits than its factorization.

27740942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261762.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 27740942 is about 5266.9670589439. The cubic root of 27740942 is about 302.7195028198.

It can be divided in two parts, 27740 and 942, that added together give a palindrome (28682).

The spelling of 27740942 in words is "twenty-seven million, seven hundred forty thousand, nine hundred forty-two".