71735669 has 2 divisors, whose sum is σ = 71735670. Its totient is φ = 71735668.

The previous prime is 71735663. The next prime is 71735687. The reversal of 71735669 is 96653717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47430769 + 24304900 = 6887^2 + 4930^2 .

It is a cyclic number.

It is not a de Polignac number, because 71735669 - 2¹⁶ = 71670133 is a prime.

It is a super-2 number, since 2×71735669² = 10292012413755122, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71735663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35867834 + 35867835.

It is an arithmetic number, because the mean of its divisors is an integer number (35867835).

Almost surely, 2^71735669 is an apocalyptic number.

It is an amenable number.

71735669 is a deficient number, since it is larger than the sum of its proper divisors (1).

71735669 is an equidigital number, since it uses as much as digits as its factorization.

71735669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 71735669 is about 8469.6911986211. The cubic root of 71735669 is about 415.5070378784.

The spelling of 71735669 in words is "seventy-one million, seven hundred thirty-five thousand, six hundred sixty-nine".