724734929 has 2 divisors, whose sum is σ = 724734930. Its totient is φ = 724734928.

The previous prime is 724734859. The next prime is 724734931. The reversal of 724734929 is 929437427.

724734929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402604225 + 322130704 = 20065^2 + 17948^2 .

It is an emirp because it is prime and its reverse (929437427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724734929 is a prime.

It is a Sophie Germain prime.

Together with 724734931, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (724734949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362367464 + 362367465.

It is an arithmetic number, because the mean of its divisors is an integer number (362367465).

Almost surely, 2^724734929 is an apocalyptic number.

It is an amenable number.

724734929 is a deficient number, since it is larger than the sum of its proper divisors (1).

724734929 is an equidigital number, since it uses as much as digits as its factorization.

724734929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 724734929 is about 26920.9013407798. The cubic root of 724734929 is about 898.2413926541.

The spelling of 724734929 in words is "seven hundred twenty-four million, seven hundred thirty-four thousand, nine hundred twenty-nine".