27972982 has 8 divisors (see below), whose sum is σ = 42003936. Its totient is φ = 13971672.

The previous prime is 27972979. The next prime is 27973013. The reversal of 27972982 is 28927972.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (5250492).

Almost surely, 2^27972982 is an apocalyptic number.

27972982 is a deficient number, since it is larger than the sum of its proper divisors (14030954).

27972982 is a wasteful number, since it uses less digits than its factorization.

27972982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822.

The product of its digits is 254016, while the sum is 46.

The square root of 27972982 is about 5288.9490449427. The cubic root of 27972982 is about 303.5611960407.

The spelling of 27972982 in words is "twenty-seven million, nine hundred seventy-two thousand, nine hundred eighty-two".