66068032 has 28 divisors (see below), whose sum is σ = 135628380. Its totient is φ = 31894016.

The previous prime is 66068027. The next prime is 66068047. The reversal of 66068032 is 23086066.

It can be written as a sum of positive squares in 2 ways, for example, as 19501056 + 46566976 = 4416^2 + 6824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66067985 and 66068003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15943 + ... + 19654.

Almost surely, 2^66068032 is an apocalyptic number.

It is an amenable number.

66068032 is an abundant number, since it is smaller than the sum of its proper divisors (69560348).

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

66068032 is a wasteful number, since it uses less digits than its factorization.

66068032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638 (or 35628 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66068032 is about 8128.2244063510. The cubic root of 66068032 is about 404.2628097537.

The spelling of 66068032 in words is "sixty-six million, sixty-eight thousand, thirty-two".