75405325 has 12 divisors (see below), whose sum is σ = 93708288. Its totient is φ = 60191600.

The previous prime is 75405313. The next prime is 75405331. The reversal of 75405325 is 52350457.

It is not a de Polignac number, because 75405325 - 2¹⁷ = 75274253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9204 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (7809024).

Almost surely, 2^75405325 is an apocalyptic number.

It is an amenable number.

75405325 is a deficient number, since it is larger than the sum of its proper divisors (18302963).

75405325 is a wasteful number, since it uses less digits than its factorization.

75405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644 (or 6639 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 75405325 is about 8683.6239554693. The cubic root of 75405325 is about 422.4746667350.

The spelling of 75405325 in words is "seventy-five million, four hundred five thousand, three hundred twenty-five".