27070231 has 4 divisors (see below), whose sum is σ = 28495000. Its totient is φ = 25645464.

The previous prime is 27070229. The next prime is 27070237. The reversal of 27070231 is 13207072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27070231 - 2¹ = 27070229 is a prime.

It is a super-2 number, since 2×27070231² = 1465594812786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712356 + ... + 712393.

It is an arithmetic number, because the mean of its divisors is an integer number (7123750).

Almost surely, 2^27070231 is an apocalyptic number.

27070231 is a deficient number, since it is larger than the sum of its proper divisors (1424769).

27070231 is a wasteful number, since it uses less digits than its factorization.

27070231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424768.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 27070231 is about 5202.9060149113. The cubic root of 27070231 is about 300.2598896078.

The spelling of 27070231 in words is "twenty-seven million, seventy thousand, two hundred thirty-one".