726268511 has 4 divisors (see below), whose sum is σ = 726383112. Its totient is φ = 726153912.

The previous prime is 726268481. The next prime is 726268519. The reversal of 726268511 is 115862627.

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 726268511 - 2¹⁴ = 726252127 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 (726268519) 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, 47201 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (181595778).

Almost surely, 2^726268511 is an apocalyptic number.

726268511 is a deficient number, since it is larger than the sum of its proper divisors (114601).

726268511 is a wasteful number, since it uses less digits than its factorization.

726268511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114600.

The product of its digits is 40320, while the sum is 38.

The square root of 726268511 is about 26949.3693989303. The cubic root of 726268511 is about 898.8745235981.

The spelling of 726268511 in words is "seven hundred twenty-six million, two hundred sixty-eight thousand, five hundred eleven".