8745749 has 2 divisors, whose sum is σ = 8745750. Its totient is φ = 8745748.

The previous prime is 8745743. The next prime is 8745767. The reversal of 8745749 is 9475478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 1643524 = 2665^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 8745749 - 2⁸ = 8745493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8745743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372874 + 4372875.

It is an arithmetic number, because the mean of its divisors is an integer number (4372875).

Almost surely, 2^8745749 is an apocalyptic number.

It is an amenable number.

8745749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8745749 is an equidigital number, since it uses as much as digits as its factorization.

8745749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 8745749 is about 2957.3212541082. The cubic root of 8745749 is about 206.0308889490.

The spelling of 8745749 in words is "eight million, seven hundred forty-five thousand, seven hundred forty-nine".