68239228 has 6 divisors (see below), whose sum is σ = 119418656. Its totient is φ = 34119612.

The previous prime is 68239219. The next prime is 68239243. The reversal of 68239228 is 82293286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8529900 + ... + 8529907.

Almost surely, 2^68239228 is an apocalyptic number.

It is an amenable number.

68239228 is a deficient number, since it is larger than the sum of its proper divisors (51179428).

68239228 is a wasteful number, since it uses less digits than its factorization.

68239228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17059811 (or 17059809 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 68239228 is about 8260.7038441043. The cubic root of 68239228 is about 408.6436000714.

The spelling of 68239228 in words is "sixty-eight million, two hundred thirty-nine thousand, two hundred twenty-eight".