68510120 has 64 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 23383296.

The previous prime is 68510111. The next prime is 68510131. The reversal of 68510120 is 2101586.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85562 + ... + 86358.

It is an arithmetic number, because the mean of its divisors is an integer number (2765070).

Almost surely, 2^68510120 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 68510120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88482240).

68510120 is an abundant number, since it is smaller than the sum of its proper divisors (108454360).

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

68510120 is a wasteful number, since it uses less digits than its factorization.

68510120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 68510120 is about 8277.0840276030. The cubic root of 68510120 is about 409.1836224134.

The spelling of 68510120 in words is "sixty-eight million, five hundred ten thousand, one hundred twenty".