64473 has 4 divisors (see below), whose sum is σ = 85968. Its totient is φ = 42980.

The previous prime is 64453. The next prime is 64483. The reversal of 64473 is 37446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64473 - 2⁸ = 64217 is a prime.

It is a D-number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (64403) 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, 10743 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (21492).

2⁶⁴⁴⁷³ is an apocalyptic number.

It is an amenable number.

64473 is a deficient number, since it is larger than the sum of its proper divisors (21495).

64473 is a wasteful number, since it uses less digits than its factorization.

64473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21494.

The product of its digits is 2016, while the sum is 24.

The square root of 64473 is about 253.9153402219. The cubic root of 64473 is about 40.0982998970.

It can be divided in two parts, 644 and 73, that added together give a palindrome (717).

The spelling of 64473 in words is "sixty-four thousand, four hundred seventy-three".