27722986 has 8 divisors (see below), whose sum is σ = 41624064. Its totient is φ = 13848300.

The previous prime is 27722941. The next prime is 27722987. The reversal of 27722986 is 68922772.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (27722987) 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, 3720 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (5203008).

Almost surely, 2^27722986 is an apocalyptic number.

27722986 is a deficient number, since it is larger than the sum of its proper divisors (13901078).

27722986 is a wasteful number, since it uses less digits than its factorization.

27722986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196.

The product of its digits is 169344, while the sum is 43.

The square root of 27722986 is about 5265.2621967002. The cubic root of 27722986 is about 302.6541745336.

The spelling of 27722986 in words is "twenty-seven million, seven hundred twenty-two thousand, nine hundred eighty-six".