27668424 has 64 divisors (see below), whose sum is σ = 79632000. Its totient is φ = 7847424.

The previous prime is 27668423. The next prime is 27668447. The reversal of 27668424 is 42486672.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (27668423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25852 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (1244250).

Almost surely, 2^27668424 is an apocalyptic number.

27668424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27668424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39816000).

27668424 is an abundant number, since it is smaller than the sum of its proper divisors (51963576).

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

27668424 is a wasteful number, since it uses less digits than its factorization.

27668424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1218 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 27668424 is about 5260.0783264130. The cubic root of 27668424 is about 302.4554914822.

The spelling of 27668424 in words is "twenty-seven million, six hundred sixty-eight thousand, four hundred twenty-four".