420364734 has 16 divisors (see below), whose sum is σ = 854979840. Its totient is φ = 137746520.

The previous prime is 420364723. The next prime is 420364751. The reversal of 420364734 is 437463024.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420364695 and 420364704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593382 + ... + 594089.

It is an arithmetic number, because the mean of its divisors is an integer number (53436240).

Almost surely, 2^420364734 is an apocalyptic number.

420364734 is an abundant number, since it is smaller than the sum of its proper divisors (434615106).

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

420364734 is a wasteful number, since it uses less digits than its factorization.

420364734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187535.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 420364734 is about 20502.7981992703. The cubic root of 420364734 is about 749.1039574589.

The spelling of 420364734 in words is "four hundred twenty million, three hundred sixty-four thousand, seven hundred thirty-four".