726629 has 2 divisors, whose sum is σ = 726630. Its totient is φ = 726628.

The previous prime is 726623. The next prime is 726641. The reversal of 726629 is 926627.

726629 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., 448900 + 277729 = 670^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 726629 - 2¹⁶ = 661093 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 726595 and 726604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363314 + 363315.

It is an arithmetic number, because the mean of its divisors is an integer number (363315).

2⁷²⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

726629 is a deficient number, since it is larger than the sum of its proper divisors (1).

726629 is an equidigital number, since it uses as much as digits as its factorization.

726629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 726629 is about 852.4253633017. The cubic root of 726629 is about 89.9023220109.

It can be divided in two parts, 726 and 629, that multiplied together give a palindrome (456654).

The spelling of 726629 in words is "seven hundred twenty-six thousand, six hundred twenty-nine".