65712047 has 2 divisors, whose sum is σ = 65712048. Its totient is φ = 65712046.

The previous prime is 65711951. The next prime is 65712071. The reversal of 65712047 is 74021756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65712047 is a prime.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65712547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32856023 + 32856024.

It is an arithmetic number, because the mean of its divisors is an integer number (32856024).

Almost surely, 2^65712047 is an apocalyptic number.

65712047 is a deficient number, since it is larger than the sum of its proper divisors (1).

65712047 is an equidigital number, since it uses as much as digits as its factorization.

65712047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 65712047 is about 8106.2967500579. The cubic root of 65712047 is about 403.5354244555.

The spelling of 65712047 in words is "sixty-five million, seven hundred twelve thousand, forty-seven".