65700071 has 2 divisors, whose sum is σ = 65700072. Its totient is φ = 65700070.

The previous prime is 65700059. The next prime is 65700079. The reversal of 65700071 is 17000756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65700071 - 2¹⁰ = 65699047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65700071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65700079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32850035 + 32850036.

It is an arithmetic number, because the mean of its divisors is an integer number (32850036).

Almost surely, 2^65700071 is an apocalyptic number.

65700071 is a deficient number, since it is larger than the sum of its proper divisors (1).

65700071 is an equidigital number, since it uses as much as digits as its factorization.

65700071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 65700071 is about 8105.5580313758. The cubic root of 65700071 is about 403.5109082311.

The spelling of 65700071 in words is "sixty-five million, seven hundred thousand, seventy-one".