68789320 has 32 divisors (see below), whose sum is σ = 161507520. Its totient is φ = 26319040.

The previous prime is 68789269. The next prime is 68789323. The reversal of 68789320 is 2398786.

It is not an unprimeable number, because it can be changed into a prime (68789323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36466 + ... + 38305.

It is an arithmetic number, because the mean of its divisors is an integer number (5047110).

Almost surely, 2^68789320 is an apocalyptic number.

It is an amenable number.

68789320 is an abundant number, since it is smaller than the sum of its proper divisors (92718200).

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

68789320 is a wasteful number, since it uses less digits than its factorization.

68789320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74805 (or 74801 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68789320 is about 8293.9327221771. The cubic root of 68789320 is about 409.7387191128.

The spelling of 68789320 in words is "sixty-eight million, seven hundred eighty-nine thousand, three hundred twenty".