331726068 has 18 divisors (see below), whose sum is σ = 838529874. Its totient is φ = 110575344.

The previous prime is 331726067. The next prime is 331726069. The reversal of 331726068 is 860627133.

It is a happy number.

331726068 is a `hidden beast` number, since 33 + 17 + 2 + 606 + 8 = 666.

331726068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (331726067) and next prime (331726069).

It can be written as a sum of positive squares in only one way, i.e., 300051684 + 31674384 = 17322^2 + 5628^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×331726068² = 220084368381481248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9214613 = 331726068 / (3 + 3 + 1 + 7 + 2 + 6 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331726067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4607271 + ... + 4607342.

It is an arithmetic number, because the mean of its divisors is an integer number (46584993).

Almost surely, 2^331726068 is an apocalyptic number.

It is an amenable number.

331726068 is an abundant number, since it is smaller than the sum of its proper divisors (506803806).

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

331726068 is a wasteful number, since it uses less digits than its factorization.

331726068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214623 (or 9214618 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 331726068 is about 18213.3486212723. The cubic root of 331726068 is about 692.2450628358.

The spelling of 331726068 in words is "three hundred thirty-one million, seven hundred twenty-six thousand, sixty-eight".