75527224345 has 4 divisors (see below), whose sum is σ = 90632669220. Its totient is φ = 60421779472.

The previous prime is 75527224301. The next prime is 75527224439. The reversal of 75527224345 is 54342272557.

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 12648151296 + 62879073049 = 112464^2 + 250757^2 .

It is a cyclic number.

It is not a de Polignac number, because 75527224345 - 2⁹ = 75527223833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75527224295 and 75527224304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7552722430 + ... + 7552722439.

It is an arithmetic number, because the mean of its divisors is an integer number (22658167305).

Almost surely, 2^75527224345 is an apocalyptic number.

It is an amenable number.

75527224345 is a deficient number, since it is larger than the sum of its proper divisors (15105444875).

75527224345 is a wasteful number, since it uses less digits than its factorization.

75527224345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105444874.

The product of its digits is 2352000, while the sum is 46.

The spelling of 75527224345 in words is "seventy-five billion, five hundred twenty-seven million, two hundred twenty-four thousand, three hundred forty-five".