420814734 has 16 divisors (see below), whose sum is σ = 862157520. Its totient is φ = 136850240.

The previous prime is 420814733. The next prime is 420814747. The reversal of 420814734 is 437418024.

It is a junction number, because it is equal to n+sod(n) for n = 420814695 and 420814704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420814733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855069 + ... + 855560.

It is an arithmetic number, because the mean of its divisors is an integer number (53884845).

Almost surely, 2^420814734 is an apocalyptic number.

420814734 is an abundant number, since it is smaller than the sum of its proper divisors (441342786).

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

420814734 is a wasteful number, since it uses less digits than its factorization.

420814734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710675.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 420814734 is about 20513.7693757144. The cubic root of 420814734 is about 749.3711671285.

The spelling of 420814734 in words is "four hundred twenty million, eight hundred fourteen thousand, seven hundred thirty-four".