75332545 has 4 divisors (see below), whose sum is σ = 90399060. Its totient is φ = 60266032.

The previous prime is 75332519. The next prime is 75332617. The reversal of 75332545 is 54523357.

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 52359696 + 22972849 = 7236^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 75332545 - 2⁵ = 75332513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75332545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7533250 + ... + 7533259.

It is an arithmetic number, because the mean of its divisors is an integer number (22599765).

Almost surely, 2^75332545 is an apocalyptic number.

It is an amenable number.

75332545 is a deficient number, since it is larger than the sum of its proper divisors (15066515).

75332545 is a wasteful number, since it uses less digits than its factorization.

75332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15066514.

The product of its digits is 63000, while the sum is 34.

The square root of 75332545 is about 8679.4322971033. The cubic root of 75332545 is about 422.3387010767.

The spelling of 75332545 in words is "seventy-five million, three hundred thirty-two thousand, five hundred forty-five".