68091036 has 24 divisors (see below), whose sum is σ = 171100944. Its totient is φ = 20951040.

The previous prime is 68091019. The next prime is 68091071. The reversal of 68091036 is 63019086.

It is a junction number, because it is equal to n+sod(n) for n = 68090988 and 68091006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218085 + ... + 218396.

It is an arithmetic number, because the mean of its divisors is an integer number (7129206).

Almost surely, 2^68091036 is an apocalyptic number.

It is an amenable number.

68091036 is an abundant number, since it is smaller than the sum of its proper divisors (103009908).

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

68091036 is a wasteful number, since it uses less digits than its factorization.

68091036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436501 (or 436499 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 68091036 is about 8251.7292733099. The cubic root of 68091036 is about 408.3475748284.

The spelling of 68091036 in words is "sixty-eight million, ninety-one thousand, thirty-six".