4781473 has 4 divisors (see below), whose sum is σ = 4910740. Its totient is φ = 4652208.

The previous prime is 4781449. The next prime is 4781489. The reversal of 4781473 is 3741874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 2166784 = 1617^2 + 1472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4781473 is a prime.

It is a Duffinian number.

4781473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4781443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64578 + ... + 64651.

It is an arithmetic number, because the mean of its divisors is an integer number (1227685).

Almost surely, 2^4781473 is an apocalyptic number.

It is an amenable number.

4781473 is a deficient number, since it is larger than the sum of its proper divisors (129267).

4781473 is a wasteful number, since it uses less digits than its factorization.

4781473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129266.

The product of its digits is 18816, while the sum is 34.

The square root of 4781473 is about 2186.6579522184. The cubic root of 4781473 is about 168.4692216029.

The spelling of 4781473 in words is "four million, seven hundred eighty-one thousand, four hundred seventy-three".