75225375 has 64 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 38772000.

The previous prime is 75225373. The next prime is 75225379. The reversal of 75225375 is 57352257.

It is a happy number.

It is not a de Polignac number, because 75225375 - 2¹ = 75225373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75225373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104266 + ... + 104984.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^75225375 is an apocalyptic number.

75225375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75225375 is a deficient number, since it is larger than the sum of its proper divisors (68544225).

75225375 is a wasteful number, since it uses less digits than its factorization.

75225375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 758 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 75225375 is about 8673.2563089073. The cubic root of 75225375 is about 422.1383294258.

The spelling of 75225375 in words is "seventy-five million, two hundred twenty-five thousand, three hundred seventy-five".