7500738573065 has 8 divisors (see below), whose sum is σ = 9000907907208. Its totient is φ = 6000576445440.

The previous prime is 7500738573061. The next prime is 7500738573109. The reversal of 7500738573065 is 5603758370057.

It can be written as a sum of positive squares in 4 ways, for example, as 3270986936569 + 4229751636496 = 1808587^2 + 2056636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7500738573065 - 2² = 7500738573061 is a prime.

It is a super-2 number, since 2×7500738573065² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7500738573065.

It is not an unprimeable number, because it can be changed into a prime (7500738573061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840425 + ... + 3963305.

It is an arithmetic number, because the mean of its divisors is an integer number (1125113488401).

Almost surely, 2^{7500738573065} is an apocalyptic number.

It is an amenable number.

7500738573065 is a deficient number, since it is larger than the sum of its proper divisors (1500169334143).

7500738573065 is a wasteful number, since it uses less digits than its factorization.

7500738573065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603259.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 7500738573065 in words is "seven trillion, five hundred billion, seven hundred thirty-eight million, five hundred seventy-three thousand, sixty-five".