724071713 has 4 divisors (see below), whose sum is σ = 724144788. Its totient is φ = 723998640.

The previous prime is 724071709. The next prime is 724071749. The reversal of 724071713 is 317170427.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 317170427 = 7 ⋅45310061.

It can be written as a sum of positive squares in 2 ways, for example, as 89434849 + 634636864 = 9457^2 + 25192^2 .

It is a cyclic number.

It is not a de Polignac number, because 724071713 - 2² = 724071709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 724071713.

It is not an unprimeable number, because it can be changed into a prime (724071773) 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 in 3 ways as a sum of consecutive naturals, for example, 18806 + ... + 42447.

It is an arithmetic number, because the mean of its divisors is an integer number (181036197).

Almost surely, 2^724071713 is an apocalyptic number.

It is an amenable number.

724071713 is a deficient number, since it is larger than the sum of its proper divisors (73075).

724071713 is a wasteful number, since it uses less digits than its factorization.

724071713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73074.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 724071713 is about 26908.5806574780. The cubic root of 724071713 is about 897.9673108935.

The spelling of 724071713 in words is "seven hundred twenty-four million, seventy-one thousand, seven hundred thirteen".