726429 has 8 divisors (see below), whose sum is σ = 1056672. Its totient is φ = 440240.

The previous prime is 726419. The next prime is 726431. The reversal of 726429 is 924627.

It is a happy number.

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 726429 - 2⁴ = 726413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 726396 and 726405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726429.

It is not an unprimeable number, because it can be changed into a prime (726419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10974 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (132084).

2⁷²⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

726429 is a deficient number, since it is larger than the sum of its proper divisors (330243).

726429 is a wasteful number, since it uses less digits than its factorization.

726429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22027.

The product of its digits is 6048, while the sum is 30.

The square root of 726429 is about 852.3080429047. The cubic root of 726429 is about 89.8940729070.

The spelling of 726429 in words is "seven hundred twenty-six thousand, four hundred twenty-nine".