420789675 has 24 divisors (see below), whose sum is σ = 732324160. Its totient is φ = 212608800.

The previous prime is 420789671. The next prime is 420789689. The reversal of 420789675 is 576987024.

It is not a de Polignac number, because 420789675 - 2² = 420789671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420789671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146221 + ... + 149070.

Almost surely, 2^420789675 is an apocalyptic number.

420789675 is a deficient number, since it is larger than the sum of its proper divisors (311534485).

420789675 is a wasteful number, since it uses less digits than its factorization.

420789675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295323 (or 295318 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 420789675 is about 20513.1585817494. The cubic root of 420789675 is about 749.3562921227.

The spelling of 420789675 in words is "four hundred twenty million, seven hundred eighty-nine thousand, six hundred seventy-five".