68292080 has 80 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 25632000.

The previous prime is 68292073. The next prime is 68292113. The reversal of 68292080 is 8029286.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 68292080.

It is a congruent number.

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, 271955 + ... + 272205.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^68292080 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 68292080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84369600).

68292080 is an abundant number, since it is smaller than the sum of its proper divisors (100447120).

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

68292080 is a wasteful number, since it uses less digits than its factorization.

68292080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68292080 is about 8263.9022259463. The cubic root of 68292080 is about 408.7490724354.

The spelling of 68292080 in words is "sixty-eight million, two hundred ninety-two thousand, eighty".