71736713 has 2 divisors, whose sum is σ = 71736714. Its totient is φ = 71736712.

The previous prime is 71736703. The next prime is 71736727. The reversal of 71736713 is 31763717.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 13778944 = 7613^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 71736713 - 2¹⁶ = 71671177 is a prime.

It is not a weakly prime, because it can be changed into another prime (71736703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35868356 + 35868357.

It is an arithmetic number, because the mean of its divisors is an integer number (35868357).

Almost surely, 2^71736713 is an apocalyptic number.

It is an amenable number.

71736713 is a deficient number, since it is larger than the sum of its proper divisors (1).

71736713 is an equidigital number, since it uses as much as digits as its factorization.

71736713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18522, while the sum is 35.

The square root of 71736713 is about 8469.7528299237. The cubic root of 71736713 is about 415.5090535527.

The spelling of 71736713 in words is "seventy-one million, seven hundred thirty-six thousand, seven hundred thirteen".