726788093 has 2 divisors, whose sum is σ = 726788094. Its totient is φ = 726788092.

The previous prime is 726788059. The next prime is 726788123. The reversal of 726788093 is 390887627.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649383289 + 77404804 = 25483^2 + 8798^2 .

It is a cyclic number.

It is not a de Polignac number, because 726788093 - 2¹² = 726783997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726788593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363394046 + 363394047.

It is an arithmetic number, because the mean of its divisors is an integer number (363394047).

Almost surely, 2^726788093 is an apocalyptic number.

It is an amenable number.

726788093 is a deficient number, since it is larger than the sum of its proper divisors (1).

726788093 is an equidigital number, since it uses as much as digits as its factorization.

726788093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 726788093 is about 26959.0076412319. The cubic root of 726788093 is about 899.0888280345.

The spelling of 726788093 in words is "seven hundred twenty-six million, seven hundred eighty-eight thousand, ninety-three".