9768739 has 2 divisors, whose sum is σ = 9768740. Its totient is φ = 9768738.

The previous prime is 9768719. The next prime is 9768743. The reversal of 9768739 is 9378679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9768739 - 2¹⁹ = 9244451 is a prime.

It is a Chen prime.

9768739 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9768692 and 9768701.

It is not a weakly prime, because it can be changed into another prime (9768709) 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, 4884369 + 4884370.

It is an arithmetic number, because the mean of its divisors is an integer number (4884370).

Almost surely, 2^9768739 is an apocalyptic number.

9768739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768739 is an equidigital number, since it uses as much as digits as its factorization.

9768739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 9768739 is about 3125.4982002874. The cubic root of 9768739 is about 213.7697103446.

The spelling of 9768739 in words is "nine million, seven hundred sixty-eight thousand, seven hundred thirty-nine".