75223168 has 64 divisors (see below), whose sum is σ = 156182400. Its totient is φ = 36062208.

The previous prime is 75223157. The next prime is 75223177. The reversal of 75223168 is 86132257.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434730 + ... + 434902.

It is an arithmetic number, because the mean of its divisors is an integer number (2440350).

Almost surely, 2^75223168 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 75223168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78091200).

75223168 is an abundant number, since it is smaller than the sum of its proper divisors (80959232).

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

75223168 is a wasteful number, since it uses less digits than its factorization.

75223168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 297 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 75223168 is about 8673.1290777896. The cubic root of 75223168 is about 422.1342010830.

The spelling of 75223168 in words is "seventy-five million, two hundred twenty-three thousand, one hundred sixty-eight".