68042850 has 48 divisors (see below), whose sum is σ = 171149760. Its totient is φ = 17886400.

The previous prime is 68042839. The next prime is 68042873. The reversal of 68042850 is 5824086.

It is a super-2 number, since 2×68042850² = 9259658872245000, which contains 22 as substring.

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, 7456 + ... + 13844.

It is an arithmetic number, because the mean of its divisors is an integer number (3565620).

Almost surely, 2^68042850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68042850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85574880).

68042850 is an abundant number, since it is smaller than the sum of its proper divisors (103106910).

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

68042850 is a wasteful number, since it uses less digits than its factorization.

68042850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 6470 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 68042850 is about 8248.8090049413. The cubic root of 68042850 is about 408.2512269548.

The spelling of 68042850 in words is "sixty-eight million, forty-two thousand, eight hundred fifty".