420732063 has 20 divisors (see below), whose sum is σ = 636083448. Its totient is φ = 277104240.

The previous prime is 420732041. The next prime is 420732089. The reversal of 420732063 is 360237024.

It is not a de Polignac number, because 420732063 - 2¹⁴ = 420715679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420732163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24568 + ... + 38013.

Almost surely, 2^420732063 is an apocalyptic number.

420732063 is a deficient number, since it is larger than the sum of its proper divisors (215351385).

420732063 is an equidigital number, since it uses as much as digits as its factorization.

420732063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62676 (or 62667 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 420732063 is about 20511.7542643237. The cubic root of 420732063 is about 749.3220914379.

Adding to 420732063 its reverse (360237024), we get a palindrome (780969087).

The spelling of 420732063 in words is "four hundred twenty million, seven hundred thirty-two thousand, sixty-three".