27235973 has 2 divisors, whose sum is σ = 27235974. Its totient is φ = 27235972.

The previous prime is 27235913. The next prime is 27235997. The reversal of 27235973 is 37953272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24780484 + 2455489 = 4978^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 27235973 - 2¹⁸ = 26973829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27235913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13617986 + 13617987.

It is an arithmetic number, because the mean of its divisors is an integer number (13617987).

Almost surely, 2^27235973 is an apocalyptic number.

It is an amenable number.

27235973 is a deficient number, since it is larger than the sum of its proper divisors (1).

27235973 is an equidigital number, since it uses as much as digits as its factorization.

27235973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 38.

The square root of 27235973 is about 5218.8095385825. The cubic root of 27235973 is about 300.8714402626.

The spelling of 27235973 in words is "twenty-seven million, two hundred thirty-five thousand, nine hundred seventy-three".