71797120753 has 2 divisors, whose sum is σ = 71797120754. Its totient is φ = 71797120752.

The previous prime is 71797120721. The next prime is 71797120777. The reversal of 71797120753 is 35702179717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53124718144 + 18672402609 = 230488^2 + 136647^2 .

It is a cyclic number.

It is not a de Polignac number, because 71797120753 - 2⁵ = 71797120721 is a prime.

It is a super-3 number, since 3×71797120753³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71797120697 and 71797120706.

It is not a weakly prime, because it can be changed into another prime (71797129753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35898560376 + 35898560377.

It is an arithmetic number, because the mean of its divisors is an integer number (35898560377).

Almost surely, 2^71797120753 is an apocalyptic number.

It is an amenable number.

71797120753 is a deficient number, since it is larger than the sum of its proper divisors (1).

71797120753 is an equidigital number, since it uses as much as digits as its factorization.

71797120753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648270, while the sum is 49.

The spelling of 71797120753 in words is "seventy-one billion, seven hundred ninety-seven million, one hundred twenty thousand, seven hundred fifty-three".