68680038 has 32 divisors (see below), whose sum is σ = 157234176. Its totient is φ = 19591488.

The previous prime is 68680037. The next prime is 68680061. The reversal of 68680038 is 83008686.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68679978 and 68680005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68680037) 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, 42595 + ... + 44177.

It is an arithmetic number, because the mean of its divisors is an integer number (4913568).

Almost surely, 2^68680038 is an apocalyptic number.

68680038 is an abundant number, since it is smaller than the sum of its proper divisors (88554138).

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

68680038 is a wasteful number, since it uses less digits than its factorization.

68680038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68680038 is about 8287.3420346936. The cubic root of 68680038 is about 409.5216272768.

The spelling of 68680038 in words is "sixty-eight million, six hundred eighty thousand, thirty-eight".