420563473 has 16 divisors (see below), whose sum is σ = 471121920. Its totient is φ = 372149200.

The previous prime is 420563467. The next prime is 420563501. The reversal of 420563473 is 374365024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420563473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420563873) 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, 96618 + ... + 100876.

It is an arithmetic number, because the mean of its divisors is an integer number (29445120).

Almost surely, 2^420563473 is an apocalyptic number.

It is an amenable number.

420563473 is a deficient number, since it is larger than the sum of its proper divisors (50558447).

420563473 is a wasteful number, since it uses less digits than its factorization.

420563473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 420563473 is about 20507.6442576908. The cubic root of 420563473 is about 749.2219920320.

The spelling of 420563473 in words is "four hundred twenty million, five hundred sixty-three thousand, four hundred seventy-three".