726268506 has 16 divisors (see below), whose sum is σ = 1487965248. Its totient is φ = 236184800.

The previous prime is 726268481. The next prime is 726268519. The reversal of 726268506 is 605862627.

It is an unprimeable number.

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, 1475910 + ... + 1476401.

It is an arithmetic number, because the mean of its divisors is an integer number (92997828).

Almost surely, 2^726268506 is an apocalyptic number.

726268506 is an abundant number, since it is smaller than the sum of its proper divisors (761696742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726268506 is a wasteful number, since it uses less digits than its factorization.

726268506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952357.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 726268506 is about 26949.3693061637. The cubic root of 726268506 is about 898.8745215353.

The spelling of 726268506 in words is "seven hundred twenty-six million, two hundred sixty-eight thousand, five hundred six".