75852225 has 18 divisors (see below), whose sum is σ = 135860166. Its totient is φ = 40454400.

The previous prime is 75852223. The next prime is 75852239. The reversal of 75852225 is 52225857.

It can be written as a sum of positive squares in 3 ways, for example, as 370881 + 75481344 = 609^2 + 8688^2 .

It is not a de Polignac number, because 75852225 - 2¹ = 75852223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 75852225.

It is not an unprimeable number, because it can be changed into a prime (75852221) 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 17 ways as a sum of consecutive naturals, for example, 168336 + ... + 168785.

It is an arithmetic number, because the mean of its divisors is an integer number (7547787).

Almost surely, 2^75852225 is an apocalyptic number.

75852225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75852225 is a deficient number, since it is larger than the sum of its proper divisors (60007941).

75852225 is a wasteful number, since it uses less digits than its factorization.

75852225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337137 (or 337129 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 75852225 is about 8709.3182856065. The cubic root of 75852225 is about 423.3076413339.

The spelling of 75852225 in words is "seventy-five million, eight hundred fifty-two thousand, two hundred twenty-five".