27125560 has 64 divisors (see below), whose sum is σ = 76101120. Its totient is φ = 8453760.

The previous prime is 27125543. The next prime is 27125563. The reversal of 27125560 is 6552172.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27125563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (1189080).

Almost surely, 2^27125560 is an apocalyptic number.

27125560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27125560 is an abundant number, since it is smaller than the sum of its proper divisors (48975560).

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

27125560 is a wasteful number, since it uses less digits than its factorization.

27125560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 27125560 is about 5208.2204254428. The cubic root of 27125560 is about 300.4643180288.

The spelling of 27125560 in words is "twenty-seven million, one hundred twenty-five thousand, five hundred sixty".