66368704 has 28 divisors (see below), whose sum is σ = 136245600. Its totient is φ = 32039168.

The previous prime is 66368693. The next prime is 66368707. The reversal of 66368704 is 40786366.

66368704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66368707) by changing a digit.

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, 16024 + ... + 19735.

Almost surely, 2^66368704 is an apocalyptic number.

66368704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66368704 is an abundant number, since it is smaller than the sum of its proper divisors (69876896).

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

66368704 is a wasteful number, since it uses less digits than its factorization.

66368704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35800 (or 35790 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 66368704 is about 8146.6989633839. The cubic root of 66368704 is about 404.8751411074.

The spelling of 66368704 in words is "sixty-six million, three hundred sixty-eight thousand, seven hundred four".