68025220 has 24 divisors (see below), whose sum is σ = 143011008. Its totient is φ = 27180000.

The previous prime is 68025179. The next prime is 68025233. The reversal of 68025220 is 2252086.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29095 + ... + 31345.

It is an arithmetic number, because the mean of its divisors is an integer number (5958792).

Almost surely, 2^68025220 is an apocalyptic number.

It is an amenable number.

68025220 is an abundant number, since it is smaller than the sum of its proper divisors (74985788).

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

68025220 is a wasteful number, since it uses less digits than its factorization.

68025220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 68025220 is about 8247.7402965903. The cubic root of 68025220 is about 408.2159644163.

The spelling of 68025220 in words is "sixty-eight million, twenty-five thousand, two hundred twenty".