66035872 has 24 divisors (see below), whose sum is σ = 148581216. Its totient is φ = 28300992.

The previous prime is 66035869. The next prime is 66035899. The reversal of 66035872 is 27853066.

66035872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 147178 + ... + 147625.

It is an arithmetic number, because the mean of its divisors is an integer number (6190884).

Almost surely, 2^66035872 is an apocalyptic number.

It is an amenable number.

66035872 is an abundant number, since it is smaller than the sum of its proper divisors (82545344).

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

66035872 is a wasteful number, since it uses less digits than its factorization.

66035872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294820 (or 294812 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 66035872 is about 8126.2458737107. The cubic root of 66035872 is about 404.1972046410.

The spelling of 66035872 in words is "sixty-six million, thirty-five thousand, eight hundred seventy-two".