27421606 has 4 divisors (see below), whose sum is σ = 41132412. Its totient is φ = 13710802.

The previous prime is 27421571. The next prime is 27421613. The reversal of 27421606 is 60612472.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6855400 + ... + 6855403.

It is an arithmetic number, because the mean of its divisors is an integer number (10283103).

Almost surely, 2^27421606 is an apocalyptic number.

27421606 is a deficient number, since it is larger than the sum of its proper divisors (13710806).

27421606 is a wasteful number, since it uses less digits than its factorization.

27421606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710805.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 27421606 is about 5236.5643316969. The cubic root of 27421606 is about 301.5534458395.

The spelling of 27421606 in words is "twenty-seven million, four hundred twenty-one thousand, six hundred six".