64475303 has 4 divisors (see below), whose sum is σ = 67868760. Its totient is φ = 61081848.

The previous prime is 64475293. The next prime is 64475309. The reversal of 64475303 is 30357446.

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 64475303 - 2¹⁶ = 64409767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64475303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64475309) 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, 1696700 + ... + 1696737.

It is an arithmetic number, because the mean of its divisors is an integer number (16967190).

Almost surely, 2^64475303 is an apocalyptic number.

64475303 is a deficient number, since it is larger than the sum of its proper divisors (3393457).

64475303 is a wasteful number, since it uses less digits than its factorization.

64475303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393456.

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

The square root of 64475303 is about 8029.6514868330. The cubic root of 64475303 is about 400.9877733351.

The spelling of 64475303 in words is "sixty-four million, four hundred seventy-five thousand, three hundred three".