724777313 has 8 divisors (see below), whose sum is σ = 788258856. Its totient is φ = 662400000.

The previous prime is 724777283. The next prime is 724777373. The reversal of 724777313 is 313777427.

724777313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 192460129 + 532317184 = 13873^2 + 23072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 724777313 - 2⁸ = 724777057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (724777373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274688 + ... + 277313.

It is an arithmetic number, because the mean of its divisors is an integer number (98532357).

Almost surely, 2^724777313 is an apocalyptic number.

It is an amenable number.

724777313 is a deficient number, since it is larger than the sum of its proper divisors (63481543).

724777313 is a wasteful number, since it uses less digits than its factorization.

724777313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552115.

The product of its digits is 172872, while the sum is 41.

The square root of 724777313 is about 26921.6885243107. The cubic root of 724777313 is about 898.2589026519.

The spelling of 724777313 in words is "seven hundred twenty-four million, seven hundred seventy-seven thousand, three hundred thirteen".