68311360 has 56 divisors (see below), whose sum is σ = 175189896. Its totient is φ = 25221120.

The previous prime is 68311349. The next prime is 68311417. The reversal of 68311360 is 6311386.

It can be written as a sum of positive squares in 4 ways, for example, as 3154176 + 65157184 = 1776^2 + 8072^2 .

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, 4051 + ... + 12370.

It is an arithmetic number, because the mean of its divisors is an integer number (3128391).

Almost surely, 2^68311360 is an apocalyptic number.

It is an amenable number.

68311360 is an abundant number, since it is smaller than the sum of its proper divisors (106878536).

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

68311360 is a wasteful number, since it uses less digits than its factorization.

68311360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16451 (or 16441 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 68311360 is about 8265.0686627517. The cubic root of 68311360 is about 408.7875343898.

The spelling of 68311360 in words is "sixty-eight million, three hundred eleven thousand, three hundred sixty".