724356869 has 2 divisors, whose sum is σ = 724356870. Its totient is φ = 724356868.

The previous prime is 724356847. The next prime is 724356911. The reversal of 724356869 is 968653427.

It is a happy number.

724356869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404412100 + 319944769 = 20110^2 + 17887^2 .

It is a cyclic number.

It is not a de Polignac number, because 724356869 - 2¹² = 724352773 is a prime.

It is a super-2 number, since 2×724356869² = 1049385747334966322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724353869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362178434 + 362178435.

It is an arithmetic number, because the mean of its divisors is an integer number (362178435).

Almost surely, 2^724356869 is an apocalyptic number.

It is an amenable number.

724356869 is a deficient number, since it is larger than the sum of its proper divisors (1).

724356869 is an equidigital number, since it uses as much as digits as its factorization.

724356869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 50.

The square root of 724356869 is about 26913.8787431318. The cubic root of 724356869 is about 898.0851754434.

The spelling of 724356869 in words is "seven hundred twenty-four million, three hundred fifty-six thousand, eight hundred sixty-nine".