68112036 has 72 divisors (see below), whose sum is σ = 186476640. Its totient is φ = 21496752.

The previous prime is 68112007. The next prime is 68112061. The reversal of 68112036 is 63021186.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38115 + ... + 39861.

Almost surely, 2^68112036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68112036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93238320).

68112036 is an abundant number, since it is smaller than the sum of its proper divisors (118364604).

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

68112036 is a wasteful number, since it uses less digits than its factorization.

68112036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 68112036 is about 8253.0016357686. The cubic root of 68112036 is about 408.3895500925.

Subtracting from 68112036 its sum of digits (27), we obtain a square (68112009 = 8253²).

The spelling of 68112036 in words is "sixty-eight million, one hundred twelve thousand, thirty-six".