63604473 has 16 divisors (see below), whose sum is σ = 86241600. Its totient is φ = 41690880.

The previous prime is 63604459. The next prime is 63604481. The reversal of 63604473 is 37440636.

It is not a de Polignac number, because 63604473 - 2⁸ = 63604217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63604433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55773 + ... + 56901.

It is an arithmetic number, because the mean of its divisors is an integer number (5390100).

Almost surely, 2^63604473 is an apocalyptic number.

It is an amenable number.

63604473 is a deficient number, since it is larger than the sum of its proper divisors (22637127).

63604473 is a wasteful number, since it uses less digits than its factorization.

63604473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

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

The square root of 63604473 is about 7975.2412502695. The cubic root of 63604473 is about 399.1742820643.

The spelling of 63604473 in words is "sixty-three million, six hundred four thousand, four hundred seventy-three".