75012445065 has 32 divisors (see below), whose sum is σ = 125294247936. Its totient is φ = 38250083520.

The previous prime is 75012445063. The next prime is 75012445087. The reversal of 75012445065 is 56054421057.

It is not a de Polignac number, because 75012445065 - 2¹ = 75012445063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75012445063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741480 + ... + 836550.

It is an arithmetic number, because the mean of its divisors is an integer number (3915445248).

Almost surely, 2^75012445065 is an apocalyptic number.

It is an amenable number.

75012445065 is a deficient number, since it is larger than the sum of its proper divisors (50281802871).

75012445065 is a wasteful number, since it uses less digits than its factorization.

75012445065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97389.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 75012445065 in words is "seventy-five billion, twelve million, four hundred forty-five thousand, sixty-five".