724068769 has 2 divisors, whose sum is σ = 724068770. Its totient is φ = 724068768.

The previous prime is 724068757. The next prime is 724068791. The reversal of 724068769 is 967860427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 711022225 + 13046544 = 26665^2 + 3612^2 .

It is a cyclic number.

It is not a de Polignac number, because 724068769 - 2¹³ = 724060577 is a prime.

It is a super-2 number, since 2×724068769² = 1048551164482350722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724068749) 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, 362034384 + 362034385.

It is an arithmetic number, because the mean of its divisors is an integer number (362034385).

Almost surely, 2^724068769 is an apocalyptic number.

It is an amenable number.

724068769 is a deficient number, since it is larger than the sum of its proper divisors (1).

724068769 is an equidigital number, since it uses as much as digits as its factorization.

724068769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 724068769 is about 26908.5259536824. The cubic root of 724068769 is about 897.9660938781.

The spelling of 724068769 in words is "seven hundred twenty-four million, sixty-eight thousand, seven hundred sixty-nine".