75225066 has 64 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 20148480.

The previous prime is 75225049. The next prime is 75225067. The reversal of 75225066 is 66052257.

It is not an unprimeable number, because it can be changed into a prime (75225067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84946 + ... + 85826.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^75225066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75225066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

75225066 is an abundant number, since it is smaller than the sum of its proper divisors (107666454).

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

75225066 is a wasteful number, since it uses less digits than its factorization.

75225066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 75225066 is about 8673.2384955102. The cubic root of 75225066 is about 422.1377514253.

The spelling of 75225066 in words is "seventy-five million, two hundred twenty-five thousand, sixty-six".