27070725 has 72 divisors (see below), whose sum is σ = 52114720. Its totient is φ = 12355200.

The previous prime is 27070723. The next prime is 27070733. The reversal of 27070725 is 52707072.

It is not a de Polignac number, because 27070725 - 2¹ = 27070723 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 27070692 and 27070701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 172347 + ... + 172503.

Almost surely, 2^27070725 is an apocalyptic number.

27070725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27070725 is a deficient number, since it is larger than the sum of its proper divisors (25043995).

27070725 is a wasteful number, since it uses less digits than its factorization.

27070725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 27070725 is about 5202.9534881642. The cubic root of 27070725 is about 300.2617160604.

Adding to 27070725 its reverse (52707072), we get a palindrome (79777797).

The spelling of 27070725 in words is "twenty-seven million, seventy thousand, seven hundred twenty-five".