75048305 has 4 divisors (see below), whose sum is σ = 90057972. Its totient is φ = 60038640.

The previous prime is 75048289. The next prime is 75048313. The reversal of 75048305 is 50384057.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57138481 + 17909824 = 7559^2 + 4232^2 .

It is not a de Polignac number, because 75048305 - 2⁴ = 75048289 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 7504826 + ... + 7504835.

It is an arithmetic number, because the mean of its divisors is an integer number (22514493).

Almost surely, 2^75048305 is an apocalyptic number.

It is an amenable number.

75048305 is a deficient number, since it is larger than the sum of its proper divisors (15009667).

75048305 is a wasteful number, since it uses less digits than its factorization.

75048305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009666.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 75048305 is about 8663.0424794064. The cubic root of 75048305 is about 421.8068510312.

The spelling of 75048305 in words is "seventy-five million, forty-eight thousand, three hundred five".