27020247 has 4 divisors (see below), whose sum is σ = 36027000. Its totient is φ = 18013496.

The previous prime is 27020237. The next prime is 27020263. The reversal of 27020247 is 74202072.

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 27020247 - 2¹⁵ = 26987479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020237) 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, 4503372 + ... + 4503377.

It is an arithmetic number, because the mean of its divisors is an integer number (9006750).

Almost surely, 2^27020247 is an apocalyptic number.

27020247 is a deficient number, since it is larger than the sum of its proper divisors (9006753).

27020247 is an equidigital number, since it uses as much as digits as its factorization.

27020247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006752.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 27020247 is about 5198.1003260807. The cubic root of 27020247 is about 300.0749701522.

The spelling of 27020247 in words is "twenty-seven million, twenty thousand, two hundred forty-seven".