71713597 has 2 divisors, whose sum is σ = 71713598. Its totient is φ = 71713596.

The previous prime is 71713591. The next prime is 71713601. The reversal of 71713597 is 79531717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 34880836 = 6069^2 + 5906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71713597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71713591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35856798 + 35856799.

It is an arithmetic number, because the mean of its divisors is an integer number (35856799).

Almost surely, 2^71713597 is an apocalyptic number.

It is an amenable number.

71713597 is a deficient number, since it is larger than the sum of its proper divisors (1).

71713597 is an equidigital number, since it uses as much as digits as its factorization.

71713597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46305, while the sum is 40.

The square root of 71713597 is about 8468.3880992784. The cubic root of 71713597 is about 415.4644183920.

The spelling of 71713597 in words is "seventy-one million, seven hundred thirteen thousand, five hundred ninety-seven".