27425000 has 48 divisors (see below), whose sum is σ = 64331820. Its totient is φ = 10960000.

The previous prime is 27424997. The next prime is 27425003. The reversal of 27425000 is 52472.

It is an interprime number because it is at equal distance from previous prime (27424997) and next prime (27425003).

It can be written as a sum of positive squares in 6 ways, for example, as 5541316 + 21883684 = 2354^2 + 4678^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (27425003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24452 + ... + 25548.

Almost surely, 2^27425000 is an apocalyptic number.

27425000 is a gapful number since it is divisible by the number (20) 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 27425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32165910).

27425000 is an abundant number, since it is smaller than the sum of its proper divisors (36906820).

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

27425000 is an equidigital number, since it uses as much as digits as its factorization.

27425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 27425000 is about 5236.8883891105. Note that the first 3 decimals coincide. The cubic root of 27425000 is about 301.5658865182.

Adding to 27425000 its reverse (52472), we get a palindrome (27477472).

The spelling of 27425000 in words is "twenty-seven million, four hundred twenty-five thousand".