27421842 has 32 divisors (see below), whose sum is σ = 65405952. Its totient is φ = 7493904.

The previous prime is 27421759. The next prime is 27421861. The reversal of 27421842 is 24812472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13228 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (2043936).

Almost surely, 2^27421842 is an apocalyptic number.

27421842 is an abundant number, since it is smaller than the sum of its proper divisors (37984110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27421842 is a wasteful number, since it uses less digits than its factorization.

27421842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28422.

The product of its digits is 7168, while the sum is 30.

The square root of 27421842 is about 5236.5868655070. The cubic root of 27421842 is about 301.5543109287.

The spelling of 27421842 in words is "twenty-seven million, four hundred twenty-one thousand, eight hundred forty-two".