66424576 has 36 divisors (see below), whose sum is σ = 140398272. Its totient is φ = 31256576.

The previous prime is 66424571. The next prime is 66424601. The reversal of 66424576 is 67542466.

66424576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66424571) 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, 3280 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (3899952).

Almost surely, 2^66424576 is an apocalyptic number.

It is an amenable number.

66424576 is an abundant number, since it is smaller than the sum of its proper divisors (73973696).

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

66424576 is a wasteful number, since it uses less digits than its factorization.

66424576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296 (or 15282 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 66424576 is about 8150.1273609680. The cubic root of 66424576 is about 404.9887229497.

The spelling of 66424576 in words is "sixty-six million, four hundred twenty-four thousand, five hundred seventy-six".