71370113 has 2 divisors, whose sum is σ = 71370114. Its totient is φ = 71370112.

The previous prime is 71370109. The next prime is 71370119. The reversal of 71370113 is 31107317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61340224 + 10029889 = 7832^2 + 3167^2 .

It is an emirp because it is prime and its reverse (31107317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71370113 - 2² = 71370109 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71370119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35685056 + 35685057.

It is an arithmetic number, because the mean of its divisors is an integer number (35685057).

Almost surely, 2^71370113 is an apocalyptic number.

It is an amenable number.

71370113 is a deficient number, since it is larger than the sum of its proper divisors (1).

71370113 is an equidigital number, since it uses as much as digits as its factorization.

71370113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 71370113 is about 8448.0833921073. The cubic root of 71370113 is about 414.8000449613.

The spelling of 71370113 in words is "seventy-one million, three hundred seventy thousand, one hundred thirteen".