420565675 has 24 divisors (see below), whose sum is σ = 528506352. Its totient is φ = 331968000.

The previous prime is 420565637. The next prime is 420565693. The reversal of 420565675 is 576565024.

It is not a de Polignac number, because 420565675 - 2¹⁵ = 420532907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 920047 + ... + 920503.

It is an arithmetic number, because the mean of its divisors is an integer number (22021098).

Almost surely, 2^420565675 is an apocalyptic number.

420565675 is a deficient number, since it is larger than the sum of its proper divisors (107940677).

420565675 is a wasteful number, since it uses less digits than its factorization.

420565675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 420565675 is about 20507.6979449181. The cubic root of 420565675 is about 749.2232996301.

The spelling of 420565675 in words is "four hundred twenty million, five hundred sixty-five thousand, six hundred seventy-five".