27072125 has 8 divisors (see below), whose sum is σ = 33786168. Its totient is φ = 21657600.

The previous prime is 27072121. The next prime is 27072137. The reversal of 27072125 is 52127072.

It can be written as a sum of positive squares in 4 ways, for example, as 3003289 + 24068836 = 1733^2 + 4906^2 .

It is not a de Polignac number, because 27072125 - 2² = 27072121 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27072094 and 27072103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108164 + ... + 108413.

It is an arithmetic number, because the mean of its divisors is an integer number (4223271).

Almost surely, 2^27072125 is an apocalyptic number.

27072125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27072125 is a deficient number, since it is larger than the sum of its proper divisors (6714043).

27072125 is an equidigital number, since it uses as much as digits as its factorization.

27072125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216592 (or 216582 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 27072125 is about 5203.0880253942. The cubic root of 27072125 is about 300.2668921212.

Adding to 27072125 its reverse (52127072), we get a palindrome (79199197).

The spelling of 27072125 in words is "twenty-seven million, seventy-two thousand, one hundred twenty-five".