420703764 has 96 divisors (see below), whose sum is σ = 1133287680. Its totient is φ = 120434688.

The previous prime is 420703729. The next prime is 420703769. The reversal of 420703764 is 467307024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420703769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131172 + ... + 134340.

It is an arithmetic number, because the mean of its divisors is an integer number (11805080).

Almost surely, 2^420703764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420703764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566643840).

420703764 is an abundant number, since it is smaller than the sum of its proper divisors (712583916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420703764 is a wasteful number, since it uses less digits than its factorization.

420703764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 420703764 is about 20511.0644287419. The cubic root of 420703764 is about 749.3052909266.

The spelling of 420703764 in words is "four hundred twenty million, seven hundred three thousand, seven hundred sixty-four".