68812038 has 16 divisors (see below), whose sum is σ = 152915760. Its totient is φ = 22937328.

The previous prime is 68812013. The next prime is 68812061. The reversal of 68812038 is 83021886.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68811993 and 68812011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637095 + ... + 637202.

It is an arithmetic number, because the mean of its divisors is an integer number (9557235).

Almost surely, 2^68812038 is an apocalyptic number.

68812038 is an abundant number, since it is smaller than the sum of its proper divisors (84103722).

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

68812038 is a wasteful number, since it uses less digits than its factorization.

68812038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274308 (or 1274302 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 68812038 is about 8295.3021644784. The cubic root of 68812038 is about 409.7838202016.

The spelling of 68812038 in words is "sixty-eight million, eight hundred twelve thousand, thirty-eight".