726863434957 has 8 divisors (see below), whose sum is σ = 794073095712. Its totient is φ = 659842302000.

The previous prime is 726863434939. The next prime is 726863434961. The reversal of 726863434957 is 759434368627.

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 726863434957 - 2¹¹ = 726863432909 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 (726863434907) 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, 47123883 + ... + 47139304.

It is an arithmetic number, because the mean of its divisors is an integer number (99259136964).

Almost surely, 2^726863434957 is an apocalyptic number.

It is an amenable number.

726863434957 is a deficient number, since it is larger than the sum of its proper divisors (67209660755).

726863434957 is a wasteful number, since it uses less digits than its factorization.

726863434957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94263899.

The product of its digits is 182891520, while the sum is 64.

The spelling of 726863434957 in words is "seven hundred twenty-six billion, eight hundred sixty-three million, four hundred thirty-four thousand, nine hundred fifty-seven".