726268842 has 40 divisors (see below), whose sum is σ = 1752568356. Its totient is φ = 223466688.

The previous prime is 726268817. The next prime is 726268859. The reversal of 726268842 is 248862627.

It can be written as a sum of positive squares in 2 ways, for example, as 714011841 + 12257001 = 26721^2 + 3501^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 170323 + ... + 174534.

Almost surely, 2^726268842 is an apocalyptic number.

726268842 is an abundant number, since it is smaller than the sum of its proper divisors (1026299514).

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

726268842 is a wasteful number, since it uses less digits than its factorization.

726268842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344884 (or 344875 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 726268842 is about 26949.3755400751. The cubic root of 726268842 is about 898.8746601534.

The spelling of 726268842 in words is "seven hundred twenty-six million, two hundred sixty-eight thousand, eight hundred forty-two".