68320966 has 8 divisors (see below), whose sum is σ = 117121680. Its totient is φ = 29280408.

The previous prime is 68320949. The next prime is 68320969. The reversal of 68320966 is 66902386.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68320969) 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 3 ways as a sum of consecutive naturals, for example, 2440021 + ... + 2440048.

It is an arithmetic number, because the mean of its divisors is an integer number (14640210).

Almost surely, 2^68320966 is an apocalyptic number.

68320966 is a deficient number, since it is larger than the sum of its proper divisors (48800714).

68320966 is a wasteful number, since it uses less digits than its factorization.

68320966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880078.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 68320966 is about 8265.6497627228. The cubic root of 68320966 is about 408.8066948389.

The spelling of 68320966 in words is "sixty-eight million, three hundred twenty thousand, nine hundred sixty-six".