420173814 has 32 divisors (see below), whose sum is σ = 871934976. Its totient is φ = 134840160.

The previous prime is 420173807. The next prime is 420173827. The reversal of 420173814 is 418371024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30909 + ... + 42375.

It is an arithmetic number, because the mean of its divisors is an integer number (27247968).

Almost surely, 2^420173814 is an apocalyptic number.

420173814 is an abundant number, since it is smaller than the sum of its proper divisors (451761162).

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

420173814 is a wasteful number, since it uses less digits than its factorization.

420173814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 420173814 is about 20498.1417206536. The cubic root of 420173814 is about 748.9905316857.

The spelling of 420173814 in words is "four hundred twenty million, one hundred seventy-three thousand, eight hundred fourteen".