71473752547 has 2 divisors, whose sum is σ = 71473752548. Its totient is φ = 71473752546.

The previous prime is 71473752529. The next prime is 71473752563. The reversal of 71473752547 is 74525737417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71473752547 - 2²³ = 71465363939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71473752494 and 71473752503.

It is not a weakly prime, because it can be changed into another prime (71473752247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35736876273 + 35736876274.

It is an arithmetic number, because the mean of its divisors is an integer number (35736876274).

Almost surely, 2^71473752547 is an apocalyptic number.

71473752547 is a deficient number, since it is larger than the sum of its proper divisors (1).

71473752547 is an equidigital number, since it uses as much as digits as its factorization.

71473752547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5762400, while the sum is 52.

The spelling of 71473752547 in words is "seventy-one billion, four hundred seventy-three million, seven hundred fifty-two thousand, five hundred forty-seven".