75471837317 has 2 divisors, whose sum is σ = 75471837318. Its totient is φ = 75471837316.

The previous prime is 75471837289. The next prime is 75471837323. The reversal of 75471837317 is 71373817457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72454642276 + 3017195041 = 269174^2 + 54929^2 .

It is an emirp because it is prime and its reverse (71373817457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75471837317 - 2¹² = 75471833221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75471837347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37735918658 + 37735918659.

It is an arithmetic number, because the mean of its divisors is an integer number (37735918659).

Almost surely, 2^75471837317 is an apocalyptic number.

It is an amenable number.

75471837317 is a deficient number, since it is larger than the sum of its proper divisors (1).

75471837317 is an equidigital number, since it uses as much as digits as its factorization.

75471837317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3457440, while the sum is 53.

The spelling of 75471837317 in words is "seventy-five billion, four hundred seventy-one million, eight hundred thirty-seven thousand, three hundred seventeen".