68284160 has 72 divisors (see below), whose sum is σ = 186952416. Its totient is φ = 23408640.

The previous prime is 68284133. The next prime is 68284169. The reversal of 68284160 is 6148286.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 68284160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68284169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150 + ... + 12770.

Almost surely, 2^68284160 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 68284160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93476208).

68284160 is an abundant number, since it is smaller than the sum of its proper divisors (118668256).

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

68284160 is an equidigital number, since it uses as much as digits as its factorization.

68284160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7635 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 68284160 is about 8263.4230195483. The cubic root of 68284160 is about 408.7332706137.

The spelling of 68284160 in words is "sixty-eight million, two hundred eighty-four thousand, one hundred sixty".