64340753 has 4 divisors (see below), whose sum is σ = 64550640. Its totient is φ = 64130868.

The previous prime is 64340747. The next prime is 64340761. The reversal of 64340753 is 35704346.

64340753 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 64340753 - 2¹⁰ = 64339729 is a prime.

It is a super-3 number, since 3×64340753³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64340723) 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, 104483 + ... + 105096.

It is an arithmetic number, because the mean of its divisors is an integer number (16137660).

Almost surely, 2^64340753 is an apocalyptic number.

It is an amenable number.

64340753 is a deficient number, since it is larger than the sum of its proper divisors (209887).

64340753 is a wasteful number, since it uses less digits than its factorization.

64340753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209886.

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

The square root of 64340753 is about 8021.2687899110. The cubic root of 64340753 is about 400.7086458944.

The spelling of 64340753 in words is "sixty-four million, three hundred forty thousand, seven hundred fifty-three".