68280576 has 144 divisors (see below), whose sum is σ = 223891584. Its totient is φ = 17989632.

The previous prime is 68280559. The next prime is 68280607. The reversal of 68280576 is 67508286.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69400 + ... + 70376.

Almost surely, 2^68280576 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 68280576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111945792).

68280576 is an abundant number, since it is smaller than the sum of its proper divisors (155611008).

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

68280576 is a wasteful number, since it uses less digits than its factorization.

68280576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 68280576 is about 8263.2061574186. The cubic root of 68280576 is about 408.7261194888.

The spelling of 68280576 in words is "sixty-eight million, two hundred eighty thousand, five hundred seventy-six".