726893 has 2 divisors, whose sum is σ = 726894. Its totient is φ = 726892.

The previous prime is 726853. The next prime is 726899. The reversal of 726893 is 398627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 24649 = 838^2 + 157^2 .

It is an emirp because it is prime and its reverse (398627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726893 - 2¹² = 722797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363446 + 363447.

It is an arithmetic number, because the mean of its divisors is an integer number (363447).

2⁷²⁶⁸⁹³ is an apocalyptic number.

It is an amenable number.

726893 is a deficient number, since it is larger than the sum of its proper divisors (1).

726893 is an equidigital number, since it uses as much as digits as its factorization.

726893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 726893 is about 852.5802015060. The cubic root of 726893 is about 89.9132085106.

The spelling of 726893 in words is "seven hundred twenty-six thousand, eight hundred ninety-three".