68930730 has 64 divisors (see below), whose sum is σ = 200534400. Its totient is φ = 16709760.

The previous prime is 68930711. The next prime is 68930731. The reversal of 68930730 is 3703986.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68930731) 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 31 ways as a sum of consecutive naturals, for example, 8635 + ... + 14574.

It is an arithmetic number, because the mean of its divisors is an integer number (3133350).

Almost surely, 2^68930730 is an apocalyptic number.

68930730 is an abundant number, since it is smaller than the sum of its proper divisors (131603670).

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

68930730 is a wasteful number, since it uses less digits than its factorization.

68930730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23236 (or 23230 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 68930730 is about 8302.4532519009. The cubic root of 68930730 is about 410.0192931631.

The spelling of 68930730 in words is "sixty-eight million, nine hundred thirty thousand, seven hundred thirty".