66075304 has 32 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 32406400.

The previous prime is 66075301. The next prime is 66075307. The reversal of 66075304 is 40357066.

66075304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66075301) and next prime (66075307).

It is not an unprimeable number, because it can be changed into a prime (66075301) 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 7 ways as a sum of consecutive naturals, for example, 126564 + ... + 127084.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^66075304 is an apocalyptic number.

It is an amenable number.

66075304 is a deficient number, since it is larger than the sum of its proper divisors (60206936).

66075304 is a wasteful number, since it uses less digits than its factorization.

66075304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 66075304 is about 8128.6717242118. The cubic root of 66075304 is about 404.2776413911.

It can be divided in two parts, 6607 and 5304, that added together give a palindrome (11911).

The spelling of 66075304 in words is "sixty-six million, seventy-five thousand, three hundred four".