68227872 has 48 divisors (see below), whose sum is σ = 180421920. Its totient is φ = 22574592.

The previous prime is 68227871. The next prime is 68227891. The reversal of 68227872 is 27872286.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (68227871) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (3758790).

Almost surely, 2^68227872 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 68227872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90210960).

68227872 is an abundant number, since it is smaller than the sum of its proper divisors (112194048).

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

68227872 is a wasteful number, since it uses less digits than its factorization.

68227872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5257 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 68227872 is about 8260.0164648746. The cubic root of 68227872 is about 408.6209307344.

The spelling of 68227872 in words is "sixty-eight million, two hundred twenty-seven thousand, eight hundred seventy-two".