726242293 has 8 divisors (see below), whose sum is σ = 830210112. Its totient is φ = 622329216.

The previous prime is 726242287. The next prime is 726242317. The reversal of 726242293 is 392242627.

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 726242293 - 2²⁵ = 692687861 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 (726242213) 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, 20421 + ... + 43237.

It is an arithmetic number, because the mean of its divisors is an integer number (103776264).

Almost surely, 2^726242293 is an apocalyptic number.

It is an amenable number.

726242293 is a deficient number, since it is larger than the sum of its proper divisors (103967819).

726242293 is a wasteful number, since it uses less digits than its factorization.

726242293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27371.

The product of its digits is 72576, while the sum is 37.

The square root of 726242293 is about 26948.8829638633. The cubic root of 726242293 is about 898.8637071322.

The spelling of 726242293 in words is "seven hundred twenty-six million, two hundred forty-two thousand, two hundred ninety-three".