68039304 has 128 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 19768320.

The previous prime is 68039299. The next prime is 68039311. The reversal of 68039304 is 40393086.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519319 + ... + 519449.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700).

Almost surely, 2^68039304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68039304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96940800).

68039304 is an abundant number, since it is smaller than the sum of its proper divisors (125842296).

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

68039304 is a wasteful number, since it uses less digits than its factorization.

68039304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 68039304 is about 8248.5940620205. The cubic root of 68039304 is about 408.2441349336.

The spelling of 68039304 in words is "sixty-eight million, thirty-nine thousand, three hundred four".