420532703 has 4 divisors (see below), whose sum is σ = 420637008. Its totient is φ = 420428400.

The previous prime is 420532691. The next prime is 420532711. The reversal of 420532703 is 307235024.

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

It is a cyclic number.

It is not a de Polignac number, because 420532703 - 2⁸ = 420532447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420532753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45851 + ... + 54252.

It is an arithmetic number, because the mean of its divisors is an integer number (105159252).

Almost surely, 2^420532703 is an apocalyptic number.

420532703 is a deficient number, since it is larger than the sum of its proper divisors (104305).

420532703 is a wasteful number, since it uses less digits than its factorization.

420532703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104304.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 420532703 is about 20506.8940359090. The cubic root of 420532703 is about 749.2037196234.

Adding to 420532703 its reverse (307235024), we get a palindrome (727767727).

The spelling of 420532703 in words is "four hundred twenty million, five hundred thirty-two thousand, seven hundred three".