68078930 has 16 divisors (see below), whose sum is σ = 122644800. Its totient is φ = 27208752.

The previous prime is 68078929. The next prime is 68078947. The reversal of 68078930 is 3987086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14987 + ... + 18993.

It is an arithmetic number, because the mean of its divisors is an integer number (7665300).

Almost surely, 2^68078930 is an apocalyptic number.

68078930 is a deficient number, since it is larger than the sum of its proper divisors (54565870).

68078930 is a wasteful number, since it uses less digits than its factorization.

68078930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68078930 is about 8250.9956974901. The cubic root of 68078930 is about 408.3233731663.

The spelling of 68078930 in words is "sixty-eight million, seventy-eight thousand, nine hundred thirty".