726789743 has 4 divisors (see below), whose sum is σ = 727098648. Its totient is φ = 726480840.

The previous prime is 726789737. The next prime is 726789757. The reversal of 726789743 is 347987627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726789743 - 2⁸ = 726789487 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 (726789773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150896 + ... + 155637.

It is an arithmetic number, because the mean of its divisors is an integer number (181774662).

Almost surely, 2^726789743 is an apocalyptic number.

726789743 is a deficient number, since it is larger than the sum of its proper divisors (308905).

726789743 is a wasteful number, since it uses less digits than its factorization.

726789743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308904.

The product of its digits is 3556224, while the sum is 53.

The square root of 726789743 is about 26959.0382432312. The cubic root of 726789743 is about 899.0895084233.

The spelling of 726789743 in words is "seven hundred twenty-six million, seven hundred eighty-nine thousand, seven hundred forty-three".