66745304 has 16 divisors (see below), whose sum is σ = 126063000. Its totient is φ = 33128512.

The previous prime is 66745249. The next prime is 66745313. The reversal of 66745304 is 40354766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29354 + ... + 31545.

Almost surely, 2^66745304 is an apocalyptic number.

It is an amenable number.

66745304 is a deficient number, since it is larger than the sum of its proper divisors (59317696).

66745304 is a wasteful number, since it uses less digits than its factorization.

66745304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61042 (or 61038 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 66745304 is about 8169.7799235965. The cubic root of 66745304 is about 405.6394997757.

The spelling of 66745304 in words is "sixty-six million, seven hundred forty-five thousand, three hundred four".