726404543 has 8 divisors (see below), whose sum is σ = 769679568. Its totient is φ = 683190144.

The previous prime is 726404537. The next prime is 726404603. The reversal of 726404543 is 345404627.

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 726404543 - 2⁴ = 726404527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726404533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10805 + ... + 39617.

It is an arithmetic number, because the mean of its divisors is an integer number (96209946).

Almost surely, 2^726404543 is an apocalyptic number.

726404543 is a deficient number, since it is larger than the sum of its proper divisors (43275025).

726404543 is a wasteful number, since it uses less digits than its factorization.

726404543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 726404543 is about 26951.8931246026. The cubic root of 726404543 is about 898.9306406145.

The spelling of 726404543 in words is "seven hundred twenty-six million, four hundred four thousand, five hundred forty-three".