420704232 has 64 divisors (see below), whose sum is σ = 1192296000. Its totient is φ = 122632704.

The previous prime is 420704231. The next prime is 420704233. The reversal of 420704232 is 232407024.

It is an interprime number because it is at equal distance from previous prime (420704231) and next prime (420704233).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (420704231) 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, 29557 + ... + 41412.

It is an arithmetic number, because the mean of its divisors is an integer number (18629625).

Almost surely, 2^420704232 is an apocalyptic number.

It is an amenable number.

420704232 is an abundant number, since it is smaller than the sum of its proper divisors (771591768).

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

420704232 is a wasteful number, since it uses less digits than its factorization.

420704232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71010 (or 71006 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 420704232 is about 20511.0758372154. The cubic root of 420704232 is about 749.3055687744.

The spelling of 420704232 in words is "four hundred twenty million, seven hundred four thousand, two hundred thirty-two".