75524485 has 4 divisors (see below), whose sum is σ = 90629388. Its totient is φ = 60419584.

The previous prime is 75524483. The next prime is 75524503. The reversal of 75524485 is 58442557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58442557 = 1117 ⋅52321.

It can be written as a sum of positive squares in 2 ways, for example, as 29257281 + 46267204 = 5409^2 + 6802^2 .

It is a cyclic number.

It is not a de Polignac number, because 75524485 - 2¹ = 75524483 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75524483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7552444 + ... + 7552453.

It is an arithmetic number, because the mean of its divisors is an integer number (22657347).

Almost surely, 2^75524485 is an apocalyptic number.

It is an amenable number.

75524485 is a deficient number, since it is larger than the sum of its proper divisors (15104903).

75524485 is a wasteful number, since it uses less digits than its factorization.

75524485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15104902.

The product of its digits is 224000, while the sum is 40.

The square root of 75524485 is about 8690.4824377016. The cubic root of 75524485 is about 422.6970895178.

The spelling of 75524485 in words is "seventy-five million, five hundred twenty-four thousand, four hundred eighty-five".