27320273 has 2 divisors, whose sum is σ = 27320274. Its totient is φ = 27320272.

The previous prime is 27320261. The next prime is 27320299. The reversal of 27320273 is 37202372.

It is an a-pointer prime, because the next prime (27320299) can be obtained adding 27320273 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23348224 + 3972049 = 4832^2 + 1993^2 .

It is a cyclic number.

It is not a de Polignac number, because 27320273 - 2⁴ = 27320257 is a prime.

It is not a weakly prime, because it can be changed into another prime (27320773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13660136 + 13660137.

It is an arithmetic number, because the mean of its divisors is an integer number (13660137).

Almost surely, 2^27320273 is an apocalyptic number.

It is an amenable number.

27320273 is a deficient number, since it is larger than the sum of its proper divisors (1).

27320273 is an equidigital number, since it uses as much as digits as its factorization.

27320273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 27320273 is about 5226.8798532203. The cubic root of 27320273 is about 301.1815367568.

The spelling of 27320273 in words is "twenty-seven million, three hundred twenty thousand, two hundred seventy-three".