75753225065 has 12 divisors (see below), whose sum is σ = 105745318596. Its totient is φ = 51945068448.

The previous prime is 75753225061. The next prime is 75753225073. The reversal of 75753225065 is 56052235757.

It can be written as a sum of positive squares in 2 ways, for example, as 58025101456 + 17728123609 = 240884^2 + 133147^2 .

It is not a de Polignac number, because 75753225065 - 2² = 75753225061 is a prime.

It is a super-2 number, since 2×75753225065² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75753225061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154598174 + ... + 154598663.

It is an arithmetic number, because the mean of its divisors is an integer number (8812109883).

Almost surely, 2^75753225065 is an apocalyptic number.

It is an amenable number.

75753225065 is a deficient number, since it is larger than the sum of its proper divisors (29992093531).

75753225065 is a wasteful number, since it uses less digits than its factorization.

75753225065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309196856 (or 309196849 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 47.

The spelling of 75753225065 in words is "seventy-five billion, seven hundred fifty-three million, two hundred twenty-five thousand, sixty-five".