724260269 has 2 divisors, whose sum is σ = 724260270. Its totient is φ = 724260268.

The previous prime is 724260247. The next prime is 724260287. The reversal of 724260269 is 962062427.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688380169 + 35880100 = 26237^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 724260269 - 2⁸ = 724260013 is a prime.

It is a super-2 number, since 2×724260269² = 1049105874503904722, which contains 22 as substring.

It is equal to p_37443188 and since 724260269 and 37443188 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724260289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362130134 + 362130135.

It is an arithmetic number, because the mean of its divisors is an integer number (362130135).

Almost surely, 2^724260269 is an apocalyptic number.

It is an amenable number.

724260269 is a deficient number, since it is larger than the sum of its proper divisors (1).

724260269 is an equidigital number, since it uses as much as digits as its factorization.

724260269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 724260269 is about 26912.0840701719. The cubic root of 724260269 is about 898.0452508848.

The spelling of 724260269 in words is "seven hundred twenty-four million, two hundred sixty thousand, two hundred sixty-nine".