726997308 has 12 divisors (see below), whose sum is σ = 1696327080. Its totient is φ = 242332432.

The previous prime is 726997283. The next prime is 726997309. The reversal of 726997308 is 803799627.

726997308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726997309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30291543 + ... + 30291566.

It is an arithmetic number, because the mean of its divisors is an integer number (141360590).

Almost surely, 2^726997308 is an apocalyptic number.

It is an amenable number.

726997308 is an abundant number, since it is smaller than the sum of its proper divisors (969329772).

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

726997308 is a wasteful number, since it uses less digits than its factorization.

726997308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60583116 (or 60583114 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 726997308 is about 26962.8876050025. The cubic root of 726997308 is about 899.1750910615.

The spelling of 726997308 in words is "seven hundred twenty-six million, nine hundred ninety-seven thousand, three hundred eight".