8748709 has 2 divisors, whose sum is σ = 8748710. Its totient is φ = 8748708.

The previous prime is 8748673. The next prime is 8748713. The reversal of 8748709 is 9078478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6140484 + 2608225 = 2478^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 8748709 - 2⁷ = 8748581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8748739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374354 + 4374355.

It is an arithmetic number, because the mean of its divisors is an integer number (4374355).

Almost surely, 2^8748709 is an apocalyptic number.

It is an amenable number.

8748709 is a deficient number, since it is larger than the sum of its proper divisors (1).

8748709 is an equidigital number, since it uses as much as digits as its factorization.

8748709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 8748709 is about 2957.8216646715. The cubic root of 8748709 is about 206.0541300552.

The spelling of 8748709 in words is "eight million, seven hundred forty-eight thousand, seven hundred nine".