8112749 has 2 divisors, whose sum is σ = 8112750. Its totient is φ = 8112748.

The previous prime is 8112743. The next prime is 8112787. The reversal of 8112749 is 9472118.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 1737124 = 2525^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 8112749 - 2⁸ = 8112493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8112743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056374 + 4056375.

It is an arithmetic number, because the mean of its divisors is an integer number (4056375).

Almost surely, 2^8112749 is an apocalyptic number.

It is an amenable number.

8112749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8112749 is an equidigital number, since it uses as much as digits as its factorization.

8112749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 8112749 is about 2848.2887845161. The cubic root of 8112749 is about 200.9351952334.

The spelling of 8112749 in words is "eight million, one hundred twelve thousand, seven hundred forty-nine".