726368445 has 96 divisors (see below), whose sum is σ = 1447891200. Its totient is φ = 345121920.

The previous prime is 726368443. The next prime is 726368449. The reversal of 726368445 is 544863627.

726368445 is a `hidden beast` number, since 7 + 2 + 636 + 8 + 4 + 4 + 5 = 666.

726368445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 726368445 - 2¹ = 726368443 is a prime.

It is a super-2 number, since 2×726368445² = 1055222235783436050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 721522755 it forms an amicable pair .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 726368445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726368443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 865336 + ... + 866174.

It is an arithmetic number, because the mean of its divisors is an integer number (15082200).

Almost surely, 2^726368445 is an apocalyptic number.

It is an amenable number.

726368445 is a deficient number, since it is larger than the sum of its proper divisors (721522755).

726368445 is a wasteful number, since it uses less digits than its factorization.

726368445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 911 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 726368445 is about 26951.2234416176. The cubic root of 726368445 is about 898.9157498597.

The spelling of 726368445 in words is "seven hundred twenty-six million, three hundred sixty-eight thousand, four hundred forty-five".