64385753 has 4 divisors (see below), whose sum is σ = 64855860. Its totient is φ = 63915648.

The previous prime is 64385693. The next prime is 64385777. The reversal of 64385753 is 35758346.

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 50865424 + 13520329 = 7132^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 64385753 - 2⁶ = 64385689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64385753.

It is not an unprimeable number, because it can be changed into a prime (64345753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234848 + ... + 235121.

It is an arithmetic number, because the mean of its divisors is an integer number (16213965).

Almost surely, 2^64385753 is an apocalyptic number.

It is an amenable number.

64385753 is a deficient number, since it is larger than the sum of its proper divisors (470107).

64385753 is a wasteful number, since it uses less digits than its factorization.

64385753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470106.

The product of its digits is 302400, while the sum is 41.

The square root of 64385753 is about 8024.0733421374. The cubic root of 64385753 is about 400.8020428267.

The spelling of 64385753 in words is "sixty-four million, three hundred eighty-five thousand, seven hundred fifty-three".