64705883 has 4 divisors (see below), whose sum is σ = 70588248. Its totient is φ = 58823520.

The previous prime is 64705843. The next prime is 64705919. The reversal of 64705883 is 38850746.

It is a happy number.

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 64705883 - 2¹² = 64701787 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 64705883.

It is not an unprimeable number, because it can be changed into a prime (64705843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2941166 + ... + 2941187.

It is an arithmetic number, because the mean of its divisors is an integer number (17647062).

Almost surely, 2^64705883 is an apocalyptic number.

64705883 is a deficient number, since it is larger than the sum of its proper divisors (5882365).

64705883 is a wasteful number, since it uses less digits than its factorization.

64705883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882364.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 64705883 is about 8043.9967056184. The cubic root of 64705883 is about 401.4652158860.

The spelling of 64705883 in words is "sixty-four million, seven hundred five thousand, eight hundred eighty-three".