66824332 has 12 divisors (see below), whose sum is σ = 117190080. Its totient is φ = 33341456.

The previous prime is 66824321. The next prime is 66824357. The reversal of 66824332 is 23342866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15523 + ... + 19354.

It is an arithmetic number, because the mean of its divisors is an integer number (9765840).

Almost surely, 2^66824332 is an apocalyptic number.

It is an amenable number.

66824332 is a deficient number, since it is larger than the sum of its proper divisors (50365748).

66824332 is a wasteful number, since it uses less digits than its factorization.

66824332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35360 (or 35358 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 66824332 is about 8174.6150979725. The cubic root of 66824332 is about 405.7995321812.

The spelling of 66824332 in words is "sixty-six million, eight hundred twenty-four thousand, three hundred thirty-two".