420945703 has 12 divisors (see below), whose sum is σ = 448295560. Its totient is φ = 394168896.

The previous prime is 420945673. The next prime is 420945709. The reversal of 420945703 is 307549024.

It is not a de Polignac number, because 420945703 - 2⁵ = 420945671 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 (420945709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149101 + ... + 151897.

Almost surely, 2^420945703 is an apocalyptic number.

420945703 is a deficient number, since it is larger than the sum of its proper divisors (27349857).

420945703 is an equidigital number, since it uses as much as digits as its factorization.

420945703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 420945703 is about 20516.9613490887. The cubic root of 420945703 is about 749.4489006333.

The spelling of 420945703 in words is "four hundred twenty million, nine hundred forty-five thousand, seven hundred three".