27387072 has 98 divisors (see below), whose sum is σ = 81620868. Its totient is φ = 9113472.

The previous prime is 27387071. The next prime is 27387083. The reversal of 27387072 is 27078372.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27387071) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46363 + ... + 46949.

It is an arithmetic number, because the mean of its divisors is an integer number (832866).

Almost surely, 2^27387072 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 27387072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40810434).

27387072 is an abundant number, since it is smaller than the sum of its proper divisors (54233796).

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

27387072 is an frugal number, since it uses more digits than its factorization.

27387072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 27387072 is about 5233.2659019010. The cubic root of 27387072 is about 301.4268033494.

The spelling of 27387072 in words is "twenty-seven million, three hundred eighty-seven thousand, seventy-two".