27325290 has 64 divisors (see below), whose sum is σ = 70139520. Its totient is φ = 6789120.

The previous prime is 27325267. The next prime is 27325297. The reversal of 27325290 is 9252372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (27325297) 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 31 ways as a sum of consecutive naturals, for example, 66606 + ... + 67014.

It is an arithmetic number, because the mean of its divisors is an integer number (1095930).

Almost surely, 2^27325290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27325290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35069760).

27325290 is an abundant number, since it is smaller than the sum of its proper divisors (42814230).

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

27325290 is a wasteful number, since it uses less digits than its factorization.

27325290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 27325290 is about 5227.3597542163. The cubic root of 27325290 is about 301.1999716054.

The spelling of 27325290 in words is "twenty-seven million, three hundred twenty-five thousand, two hundred ninety".