68812036 has 6 divisors (see below), whose sum is σ = 120421070. Its totient is φ = 34406016.

The previous prime is 68812013. The next prime is 68812061. The reversal of 68812036 is 63021886.

It can be written as a sum of positive squares in only one way, i.e., 60746436 + 8065600 = 7794^2 + 2840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68811992 and 68812010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8601501 + ... + 8601508.

Almost surely, 2^68812036 is an apocalyptic number.

It is an amenable number.

68812036 is a deficient number, since it is larger than the sum of its proper divisors (51609034).

68812036 is a wasteful number, since it uses less digits than its factorization.

68812036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203013 (or 17203011 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 68812036 is about 8295.3020439282. The cubic root of 68812036 is about 409.7838162315.

The spelling of 68812036 in words is "sixty-eight million, eight hundred twelve thousand, thirty-six".