71207413 has 2 divisors, whose sum is σ = 71207414. Its totient is φ = 71207412.

The previous prime is 71207401. The next prime is 71207417. The reversal of 71207413 is 31470217.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 7569 = 8438^2 + 87^2 .

It is an emirp because it is prime and its reverse (31470217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71207413 - 2¹³ = 71199221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71207417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35603706 + 35603707.

It is an arithmetic number, because the mean of its divisors is an integer number (35603707).

Almost surely, 2^71207413 is an apocalyptic number.

It is an amenable number.

71207413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71207413 is an equidigital number, since it uses as much as digits as its factorization.

71207413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 71207413 is about 8438.4484948360. The cubic root of 71207413 is about 414.4846033249.

The spelling of 71207413 in words is "seventy-one million, two hundred seven thousand, four hundred thirteen".