75632730945 has 32 divisors (see below), whose sum is σ = 125204641920. Its totient is φ = 38940464640.

The previous prime is 75632730937. The next prime is 75632730949. The reversal of 75632730945 is 54903723657.

It is not a de Polignac number, because 75632730945 - 2³ = 75632730937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75632730949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4614565 + ... + 4630925.

It is an arithmetic number, because the mean of its divisors is an integer number (3912645060).

Almost surely, 2^75632730945 is an apocalyptic number.

It is an amenable number.

75632730945 is a deficient number, since it is larger than the sum of its proper divisors (49571910975).

75632730945 is a wasteful number, since it uses less digits than its factorization.

75632730945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025.

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 75632730945 in words is "seventy-five billion, six hundred thirty-two million, seven hundred thirty thousand, nine hundred forty-five".