726838912 has 32 divisors (see below), whose sum is σ = 1471752900. Its totient is φ = 357457920.

The previous prime is 726838891. The next prime is 726838921. The reversal of 726838912 is 219838627.

It can be written as a sum of positive squares in 2 ways, for example, as 723825216 + 3013696 = 26904^2 + 1736^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×726838912³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38737 + ... + 54352.

Almost surely, 2^726838912 is an apocalyptic number.

It is an amenable number.

726838912 is an abundant number, since it is smaller than the sum of its proper divisors (744913988).

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

726838912 is an equidigital number, since it uses as much as digits as its factorization.

726838912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93164 (or 93152 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 726838912 is about 26959.9501483219. The cubic root of 726838912 is about 899.1097831247.

The spelling of 726838912 in words is "seven hundred twenty-six million, eight hundred thirty-eight thousand, nine hundred twelve".