68518350 has 72 divisors (see below), whose sum is σ = 188420232. Its totient is φ = 17841600.

The previous prime is 68518349. The next prime is 68518369. The reversal of 68518350 is 5381586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17580 + ... + 21120.

Almost surely, 2^68518350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68518350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94210116).

68518350 is an abundant number, since it is smaller than the sum of its proper divisors (119901882).

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

68518350 is a wasteful number, since it uses less digits than its factorization.

68518350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 68518350 is about 8277.5811684332. The cubic root of 68518350 is about 409.2000065932.

The spelling of 68518350 in words is "sixty-eight million, five hundred eighteen thousand, three hundred fifty".