66967882 has 8 divisors (see below), whose sum is σ = 100619136. Its totient is φ = 33428172.

The previous prime is 66967871. The next prime is 66967889. The reversal of 66967882 is 28876966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66967889) 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 3 ways as a sum of consecutive naturals, for example, 26368 + ... + 28795.

It is an arithmetic number, because the mean of its divisors is an integer number (12577392).

Almost surely, 2^66967882 is an apocalyptic number.

66967882 is a deficient number, since it is larger than the sum of its proper divisors (33651254).

66967882 is a wasteful number, since it uses less digits than its factorization.

66967882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55772.

The product of its digits is 1741824, while the sum is 52.

The square root of 66967882 is about 8183.3906175863. The cubic root of 66967882 is about 406.0898997699.

The spelling of 66967882 in words is "sixty-six million, nine hundred sixty-seven thousand, eight hundred eighty-two".