27022971 has 4 divisors (see below), whose sum is σ = 36030632. Its totient is φ = 18015312.

The previous prime is 27022967. The next prime is 27022973. The reversal of 27022971 is 17922072.

It is a happy number.

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

It is not a de Polignac number, because 27022971 - 2² = 27022967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27022973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4503826 + ... + 4503831.

It is an arithmetic number, because the mean of its divisors is an integer number (9007658).

Almost surely, 2^27022971 is an apocalyptic number.

27022971 is a deficient number, since it is larger than the sum of its proper divisors (9007661).

27022971 is an equidigital number, since it uses as much as digits as its factorization.

27022971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007660.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 27022971 is about 5198.3623382754. The cubic root of 27022971 is about 300.0850536617.

The spelling of 27022971 in words is "twenty-seven million, twenty-two thousand, nine hundred seventy-one".