726792643 has 4 divisors (see below), whose sum is σ = 729966640. Its totient is φ = 723618648.

The previous prime is 726792641. The next prime is 726792697. The reversal of 726792643 is 346297627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346297627 = 13 ⋅26638279.

It is a cyclic number.

It is not a de Polignac number, because 726792643 - 2¹ = 726792641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726792593 and 726792602.

It is not an unprimeable number, because it can be changed into a prime (726792641) 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 3 ways as a sum of consecutive naturals, for example, 1586655 + ... + 1587112.

It is an arithmetic number, because the mean of its divisors is an integer number (182491660).

Almost surely, 2^726792643 is an apocalyptic number.

726792643 is a deficient number, since it is larger than the sum of its proper divisors (3173997).

726792643 is a wasteful number, since it uses less digits than its factorization.

726792643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173996.

The product of its digits is 762048, while the sum is 46.

The square root of 726792643 is about 26959.0920284790. The cubic root of 726792643 is about 899.0907042556.

The spelling of 726792643 in words is "seven hundred twenty-six million, seven hundred ninety-two thousand, six hundred forty-three".