27275130 has 80 divisors (see below), whose sum is σ = 74156544. Its totient is φ = 7192800.

The previous prime is 27275119. The next prime is 27275137. The reversal of 27275130 is 3157272.

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

It is a junction number, because it is equal to n+sod(n) for n = 27275094 and 27275103.

It is not an unprimeable number, because it can be changed into a prime (27275137) 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 39 ways as a sum of consecutive naturals, for example, 122199 + ... + 122421.

Almost surely, 2^27275130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27275130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37078272).

27275130 is an abundant number, since it is smaller than the sum of its proper divisors (46881414).

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

27275130 is a wasteful number, since it uses less digits than its factorization.

27275130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 27275130 is about 5222.5597172268. The cubic root of 27275130 is about 301.0155582588.

The spelling of 27275130 in words is "twenty-seven million, two hundred seventy-five thousand, one hundred thirty".