63573473 has 4 divisors (see below), whose sum is σ = 63589680. Its totient is φ = 63557268.

The previous prime is 63573463. The next prime is 63573527. The reversal of 63573473 is 37437536.

63573473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63573473 - 2⁶ = 63573409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63573443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (15897420).

Almost surely, 2^63573473 is an apocalyptic number.

It is an amenable number.

63573473 is a deficient number, since it is larger than the sum of its proper divisors (16207).

63573473 is an equidigital number, since it uses as much as digits as its factorization.

63573473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206.

The product of its digits is 158760, while the sum is 38.

The square root of 63573473 is about 7973.2974985259. The cubic root of 63573473 is about 399.1094207263.

It can be divided in two parts, 63573 and 473, that added together give a palindrome (64046).

The spelling of 63573473 in words is "sixty-three million, five hundred seventy-three thousand, four hundred seventy-three".