27739982 has 4 divisors (see below), whose sum is σ = 41609976. Its totient is φ = 13869990.

The previous prime is 27739969. The next prime is 27739997. The reversal of 27739982 is 28993772.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 6934994 + ... + 6934997.

It is an arithmetic number, because the mean of its divisors is an integer number (10402494).

Almost surely, 2^27739982 is an apocalyptic number.

27739982 is a deficient number, since it is larger than the sum of its proper divisors (13869994).

27739982 is a wasteful number, since it uses less digits than its factorization.

27739982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13869993.

The product of its digits is 381024, while the sum is 47.

The square root of 27739982 is about 5266.8759241129. The cubic root of 27739982 is about 302.7160108202.

The spelling of 27739982 in words is "twenty-seven million, seven hundred thirty-nine thousand, nine hundred eighty-two".