726773472 has 120 divisors (see below), whose sum is σ = 2149686000. Its totient is φ = 240869376.

The previous prime is 726773431. The next prime is 726773497. The reversal of 726773472 is 274377627.

726773472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 515104 + ... + 516512.

It is an arithmetic number, because the mean of its divisors is an integer number (17914050).

Almost surely, 2^726773472 is an apocalyptic number.

726773472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726773472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074843000).

726773472 is an abundant number, since it is smaller than the sum of its proper divisors (1422912528).

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

726773472 is a wasteful number, since it uses less digits than its factorization.

726773472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1613 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The square root of 726773472 is about 26958.7364689074. The cubic root of 726773472 is about 899.0827989200.

The spelling of 726773472 in words is "seven hundred twenty-six million, seven hundred seventy-three thousand, four hundred seventy-two".