64066404 has 48 divisors (see below), whose sum is σ = 166622400. Its totient is φ = 19040256.

The previous prime is 64066403. The next prime is 64066411. The reversal of 64066404 is 40466046.

64066404 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 (64066403) 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 15 ways as a sum of consecutive naturals, for example, 4389 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (3471300).

Almost surely, 2^64066404 is an apocalyptic number.

It is an amenable number.

64066404 is an abundant number, since it is smaller than the sum of its proper divisors (102555996).

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

64066404 is a wasteful number, since it uses less digits than its factorization.

64066404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16572 (or 16570 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64066404 is about 8004.1491740222. The cubic root of 64066404 is about 400.1382938482.

The spelling of 64066404 in words is "sixty-four million, sixty-six thousand, four hundred four".