68039306 has 4 divisors (see below), whose sum is σ = 102058962. Its totient is φ = 34019652.

The previous prime is 68039299. The next prime is 68039311. The reversal of 68039306 is 60393086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 12313081 = 7465^2 + 3509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17009825 + ... + 17009828.

Almost surely, 2^68039306 is an apocalyptic number.

68039306 is a deficient number, since it is larger than the sum of its proper divisors (34019656).

68039306 is a wasteful number, since it uses less digits than its factorization.

68039306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34019655.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 68039306 is about 8248.5941832533. The cubic root of 68039306 is about 408.2441389337.

The spelling of 68039306 in words is "sixty-eight million, thirty-nine thousand, three hundred six".