27719842 has 8 divisors (see below), whose sum is σ = 42080976. Its totient is φ = 13692852.

The previous prime is 27719837. The next prime is 27719849. The reversal of 27719842 is 24891772.

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

It is a junction number, because it is equal to n+sod(n) for n = 27719795 and 27719804.

It is not an unprimeable number, because it can be changed into a prime (27719849) 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, 83328 + ... + 83659.

It is an arithmetic number, because the mean of its divisors is an integer number (5260122).

Almost surely, 2^27719842 is an apocalyptic number.

27719842 is a deficient number, since it is larger than the sum of its proper divisors (14361134).

27719842 is a wasteful number, since it uses less digits than its factorization.

27719842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167072.

The product of its digits is 56448, while the sum is 40.

The square root of 27719842 is about 5264.9636276047. The cubic root of 27719842 is about 302.6427329968.

It can be divided in two parts, 27719 and 842, that added together give a 4-th power (28561 = 13⁴).

The spelling of 27719842 in words is "twenty-seven million, seven hundred nineteen thousand, eight hundred forty-two".