68659838 has 32 divisors (see below), whose sum is σ = 118280736. Its totient is φ = 29611008.

The previous prime is 68659837. The next prime is 68659847. The reversal of 68659838 is 83895686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68659838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68659837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71570 + ... + 72522.

It is an arithmetic number, because the mean of its divisors is an integer number (3696273).

Almost surely, 2^68659838 is an apocalyptic number.

68659838 is a deficient number, since it is larger than the sum of its proper divisors (49620898).

68659838 is a wasteful number, since it uses less digits than its factorization.

68659838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its digits is 2488320, while the sum is 53.

The square root of 68659838 is about 8286.1232189728. The cubic root of 68659838 is about 409.4814741831.

The spelling of 68659838 in words is "sixty-eight million, six hundred fifty-nine thousand, eight hundred thirty-eight".