27312773 has 2 divisors, whose sum is σ = 27312774. Its totient is φ = 27312772.

The previous prime is 27312763. The next prime is 27312787. The reversal of 27312773 is 37721372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 1435204 = 5087^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 27312773 - 2⁴ = 27312757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27312763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656386 + 13656387.

It is an arithmetic number, because the mean of its divisors is an integer number (13656387).

Almost surely, 2^27312773 is an apocalyptic number.

It is an amenable number.

27312773 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312773 is an equidigital number, since it uses as much as digits as its factorization.

27312773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 32.

The square root of 27312773 is about 5226.1623587485. The cubic root of 27312773 is about 301.1539739739.

The spelling of 27312773 in words is "twenty-seven million, three hundred twelve thousand, seven hundred seventy-three".