27621248 has 32 divisors (see below), whose sum is σ = 56809920. Its totient is φ = 13363200.

The previous prime is 27621241. The next prime is 27621257. The reversal of 27621248 is 84212672.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27621241) 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, 488 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (1775310).

Almost surely, 2^27621248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27621248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28404960).

27621248 is an abundant number, since it is smaller than the sum of its proper divisors (29188672).

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

27621248 is an equidigital number, since it uses as much as digits as its factorization.

27621248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 6994 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 27621248 is about 5255.5920694057. The cubic root of 27621248 is about 302.2834932803.

The spelling of 27621248 in words is "twenty-seven million, six hundred twenty-one thousand, two hundred forty-eight".