71475317 has 2 divisors, whose sum is σ = 71475318. Its totient is φ = 71475316.

The previous prime is 71475289. The next prime is 71475409. The reversal of 71475317 is 71357417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67256401 + 4218916 = 8201^2 + 2054^2 .

It is an emirp because it is prime and its reverse (71357417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71475317 - 2⁶ = 71475253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71478317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35737658 + 35737659.

It is an arithmetic number, because the mean of its divisors is an integer number (35737659).

Almost surely, 2^71475317 is an apocalyptic number.

It is an amenable number.

71475317 is a deficient number, since it is larger than the sum of its proper divisors (1).

71475317 is an equidigital number, since it uses as much as digits as its factorization.

71475317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20580, while the sum is 35.

The square root of 71475317 is about 8454.3076002710. The cubic root of 71475317 is about 415.0037586150.

The spelling of 71475317 in words is "seventy-one million, four hundred seventy-five thousand, three hundred seventeen".