27025820 has 12 divisors (see below), whose sum is σ = 56754264. Its totient is φ = 10810320.

The previous prime is 27025811. The next prime is 27025877. The reversal of 27025820 is 2852072.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 27025820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675626 + ... + 675665.

It is an arithmetic number, because the mean of its divisors is an integer number (4729522).

Almost surely, 2^27025820 is an apocalyptic number.

27025820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27025820 is an abundant number, since it is smaller than the sum of its proper divisors (29728444).

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

27025820 is a wasteful number, since it uses less digits than its factorization.

27025820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351300 (or 1351298 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 27025820 is about 5198.6363596620. The cubic root of 27025820 is about 300.0955991624.

Adding to 27025820 its reverse (2852072), we get a palindrome (29877892).

The spelling of 27025820 in words is "twenty-seven million, twenty-five thousand, eight hundred twenty".