726077813 has 2 divisors, whose sum is σ = 726077814. Its totient is φ = 726077812.

The previous prime is 726077809. The next prime is 726077819. The reversal of 726077813 is 318770627.

726077813 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., 410589169 + 315488644 = 20263^2 + 17762^2 .

It is a cyclic number.

It is not a de Polignac number, because 726077813 - 2² = 726077809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726077819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363038906 + 363038907.

It is an arithmetic number, because the mean of its divisors is an integer number (363038907).

Almost surely, 2^726077813 is an apocalyptic number.

It is an amenable number.

726077813 is a deficient number, since it is larger than the sum of its proper divisors (1).

726077813 is an equidigital number, since it uses as much as digits as its factorization.

726077813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 726077813 is about 26945.8310875727. The cubic root of 726077813 is about 898.7958435249.

The spelling of 726077813 in words is "seven hundred twenty-six million, seventy-seven thousand, eight hundred thirteen".