726323746735641 has 8 divisors (see below), whose sum is σ = 968454182581600. Its totient is φ = 484204571023392.

The previous prime is 726323746735627. The next prime is 726323746735661. The reversal of 726323746735641 is 146537647323627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 726323746735641 - 2¹¹ = 726323746733593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726323746735661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2814882916 + ... + 2815140933.

It is an arithmetic number, because the mean of its divisors is an integer number (121056772822700).

Almost surely, 2^{726323746735641} is an apocalyptic number.

It is an amenable number.

726323746735641 is a deficient number, since it is larger than the sum of its proper divisors (242130435845959).

726323746735641 is a wasteful number, since it uses less digits than its factorization.

726323746735641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630066855.

The product of its digits is 640120320, while the sum is 66.

The spelling of 726323746735641 in words is "seven hundred twenty-six trillion, three hundred twenty-three billion, seven hundred forty-six million, seven hundred thirty-five thousand, six hundred forty-one".