64475211 has 8 divisors (see below), whose sum is σ = 87796224. Its totient is φ = 42068840.

The previous prime is 64475209. The next prime is 64475251. The reversal of 64475211 is 11257446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64475211 - 2¹ = 64475209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64475251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228495 + ... + 228776.

It is an arithmetic number, because the mean of its divisors is an integer number (10974528).

Almost surely, 2^64475211 is an apocalyptic number.

64475211 is a deficient number, since it is larger than the sum of its proper divisors (23321013).

64475211 is a wasteful number, since it uses less digits than its factorization.

64475211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457321.

The product of its digits is 6720, while the sum is 30.

The square root of 64475211 is about 8029.6457580643. The cubic root of 64475211 is about 400.9875826114.

It can be divided in two parts, 644 and 75211, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 64475211 in words is "sixty-four million, four hundred seventy-five thousand, two hundred eleven".