420735852 has 36 divisors (see below), whose sum is σ = 1066953160. Its totient is φ = 139793472.

The previous prime is 420735793. The next prime is 420735863. The reversal of 420735852 is 258537024.

420735852 is a `hidden beast` number, since 4 + 2 + 0 + 73 + 585 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7402 + ... + 29937.

Almost surely, 2^420735852 is an apocalyptic number.

It is an amenable number.

420735852 is an abundant number, since it is smaller than the sum of its proper divisors (646217308).

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

420735852 is a wasteful number, since it uses less digits than its factorization.

420735852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662 (or 37657 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 420735852 is about 20511.8466257916. The cubic root of 420735852 is about 749.3243408290.

The spelling of 420735852 in words is "four hundred twenty million, seven hundred thirty-five thousand, eight hundred fifty-two".