66832304 has 80 divisors (see below), whose sum is σ = 170989056. Its totient is φ = 24499200.

The previous prime is 66832301. The next prime is 66832331. The reversal of 66832304 is 40323866.

It is not an unprimeable number, because it can be changed into a prime (66832301) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19349 + ... + 22539.

Almost surely, 2^66832304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66832304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85494528).

66832304 is an abundant number, since it is smaller than the sum of its proper divisors (104156752).

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

66832304 is a wasteful number, since it uses less digits than its factorization.

66832304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66832304 is about 8175.1026904865. The cubic root of 66832304 is about 405.8156685452.

The spelling of 66832304 in words is "sixty-six million, eight hundred thirty-two thousand, three hundred four".