65347705 has 4 divisors (see below), whose sum is σ = 78417252. Its totient is φ = 52278160.

The previous prime is 65347703. The next prime is 65347729. The reversal of 65347705 is 50774356.

65347705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15178816 + 50168889 = 3896^2 + 7083^2 .

It is not a de Polignac number, because 65347705 - 2¹ = 65347703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65347703) 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 in 3 ways as a sum of consecutive naturals, for example, 6534766 + ... + 6534775.

It is an arithmetic number, because the mean of its divisors is an integer number (19604313).

Almost surely, 2^65347705 is an apocalyptic number.

It is an amenable number.

65347705 is a deficient number, since it is larger than the sum of its proper divisors (13069547).

65347705 is a wasteful number, since it uses less digits than its factorization.

65347705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069546.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 65347705 is about 8083.7927360862. The cubic root of 65347705 is about 402.7882379139.

The spelling of 65347705 in words is "sixty-five million, three hundred forty-seven thousand, seven hundred five".