75765222 has 72 divisors (see below), whose sum is σ = 182748384. Its totient is φ = 22541472.

The previous prime is 75765203. The next prime is 75765223. The reversal of 75765222 is 22256757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75765223) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 912793 + ... + 912875.

It is an arithmetic number, because the mean of its divisors is an integer number (2538172).

Almost surely, 2^75765222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75765222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91374192).

75765222 is an abundant number, since it is smaller than the sum of its proper divisors (106983162).

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

75765222 is a wasteful number, since it uses less digits than its factorization.

75765222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 148 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 75765222 is about 8704.3220298884. The cubic root of 75765222 is about 423.1457338673.

The spelling of 75765222 in words is "seventy-five million, seven hundred sixty-five thousand, two hundred twenty-two".