64376223 has 4 divisors (see below), whose sum is σ = 85834968. Its totient is φ = 42917480.

The previous prime is 64376209. The next prime is 64376227. The reversal of 64376223 is 32267346.

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 64376223 - 2⁶ = 64376159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64376227) 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, 10729368 + ... + 10729373.

It is an arithmetic number, because the mean of its divisors is an integer number (21458742).

Almost surely, 2^64376223 is an apocalyptic number.

64376223 is a deficient number, since it is larger than the sum of its proper divisors (21458745).

64376223 is a wasteful number, since it uses less digits than its factorization.

64376223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21458744.

The product of its digits is 36288, while the sum is 33.

The square root of 64376223 is about 8023.4794821200. The cubic root of 64376223 is about 400.7822670650.

The spelling of 64376223 in words is "sixty-four million, three hundred seventy-six thousand, two hundred twenty-three".