27223968 has 24 divisors (see below), whose sum is σ = 71463168. Its totient is φ = 9074624.

The previous prime is 27223967. The next prime is 27223981. The reversal of 27223968 is 86932272.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×27223968² = 1482288867330048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27223961) 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, 141696 + ... + 141887.

It is an arithmetic number, because the mean of its divisors is an integer number (2977632).

Almost surely, 2^27223968 is an apocalyptic number.

It is an amenable number.

27223968 is an abundant number, since it is smaller than the sum of its proper divisors (44239200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27223968 is a wasteful number, since it uses less digits than its factorization.

27223968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283596 (or 283588 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 27223968 is about 5217.6592452938. The cubic root of 27223968 is about 300.8272279940.

The spelling of 27223968 in words is "twenty-seven million, two hundred twenty-three thousand, nine hundred sixty-eight".