65339765 has 8 divisors (see below), whose sum is σ = 82534560. Its totient is φ = 49520592.

The previous prime is 65339761. The next prime is 65339767. The reversal of 65339765 is 56793356.

65339765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65339765 - 2² = 65339761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65339761) 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 7 ways as a sum of consecutive naturals, for example, 343799 + ... + 343988.

It is an arithmetic number, because the mean of its divisors is an integer number (10316820).

Almost surely, 2^65339765 is an apocalyptic number.

It is an amenable number.

65339765 is a deficient number, since it is larger than the sum of its proper divisors (17194795).

65339765 is a wasteful number, since it uses less digits than its factorization.

65339765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687811.

The product of its digits is 510300, while the sum is 44.

The square root of 65339765 is about 8083.3016150580. The cubic root of 65339765 is about 402.7719238080.

The spelling of 65339765 in words is "sixty-five million, three hundred thirty-nine thousand, seven hundred sixty-five".