65938753 has 4 divisors (see below), whose sum is σ = 66028720. Its totient is φ = 65848788.

The previous prime is 65938729. The next prime is 65938811. The reversal of 65938753 is 35783956.

65938753 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65938753 - 2⁹ = 65938241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65938253) 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, 43875 + ... + 45352.

It is an arithmetic number, because the mean of its divisors is an integer number (16507180).

Almost surely, 2^65938753 is an apocalyptic number.

It is an amenable number.

65938753 is a deficient number, since it is larger than the sum of its proper divisors (89967).

65938753 is an equidigital number, since it uses as much as digits as its factorization.

65938753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89966.

The product of its digits is 680400, while the sum is 46.

The square root of 65938753 is about 8120.2680374480. The cubic root of 65938753 is about 403.9989563905.

The spelling of 65938753 in words is "sixty-five million, nine hundred thirty-eight thousand, seven hundred fifty-three".