65322743 has 4 divisors (see below), whose sum is σ = 66109848. Its totient is φ = 64535640.

The previous prime is 65322709. The next prime is 65322749. The reversal of 65322743 is 34722356.

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

It is a cyclic number.

It is not a de Polignac number, because 65322743 - 2¹⁰ = 65321719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65322749) 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 in 3 ways as a sum of consecutive naturals, for example, 393428 + ... + 393593.

It is an arithmetic number, because the mean of its divisors is an integer number (16527462).

Almost surely, 2^65322743 is an apocalyptic number.

65322743 is a deficient number, since it is larger than the sum of its proper divisors (787105).

65322743 is an equidigital number, since it uses as much as digits as its factorization.

65322743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787104.

The product of its digits is 30240, while the sum is 32.

The square root of 65322743 is about 8082.2486351262. The cubic root of 65322743 is about 402.7369447049.

The spelling of 65322743 in words is "sixty-five million, three hundred twenty-two thousand, seven hundred forty-three".