71472008417 has 2 divisors, whose sum is σ = 71472008418. Its totient is φ = 71472008416.

The previous prime is 71472008389. The next prime is 71472008449. The reversal of 71472008417 is 71480027417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54981339361 + 16490669056 = 234481^2 + 128416^2 .

It is a cyclic number.

It is not a de Polignac number, because 71472008417 - 2⁶ = 71472008353 is a prime.

It is not a weakly prime, because it can be changed into another prime (71472008017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35736004208 + 35736004209.

It is an arithmetic number, because the mean of its divisors is an integer number (35736004209).

Almost surely, 2^71472008417 is an apocalyptic number.

It is an amenable number.

71472008417 is a deficient number, since it is larger than the sum of its proper divisors (1).

71472008417 is an equidigital number, since it uses as much as digits as its factorization.

71472008417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 71472008417 in words is "seventy-one billion, four hundred seventy-two million, eight thousand, four hundred seventeen".