420759379 has 4 divisors (see below), whose sum is σ = 421137184. Its totient is φ = 420381576.

The previous prime is 420759377. The next prime is 420759403. The reversal of 420759379 is 973957024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420759379 - 2¹ = 420759377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420759377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187227 + ... + 189460.

It is an arithmetic number, because the mean of its divisors is an integer number (105284296).

Almost surely, 2^420759379 is an apocalyptic number.

420759379 is a deficient number, since it is larger than the sum of its proper divisors (377805).

420759379 is a wasteful number, since it uses less digits than its factorization.

420759379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377804.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 420759379 is about 20512.4201156275. The cubic root of 420759379 is about 749.3383076486.

The spelling of 420759379 in words is "four hundred twenty million, seven hundred fifty-nine thousand, three hundred seventy-nine".