27025812 has 60 divisors (see below), whose sum is σ = 77083776. Its totient is φ = 8188560.

The previous prime is 27025811. The next prime is 27025877. The reversal of 27025812 is 21852072.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27025811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 228 + ... + 7355.

Almost surely, 2^27025812 is an apocalyptic number.

27025812 is a gapful number since it is divisible by the number (22) 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 27025812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38541888).

27025812 is an abundant number, since it is smaller than the sum of its proper divisors (50057964).

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

27025812 is a wasteful number, since it uses less digits than its factorization.

27025812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 27025812 is about 5198.6355902294. The cubic root of 27025812 is about 300.0955695516.

Adding to 27025812 its reverse (21852072), we get a palindrome (48877884).

The spelling of 27025812 in words is "twenty-seven million, twenty-five thousand, eight hundred twelve".