420959075 has 24 divisors (see below), whose sum is σ = 541024896. Its totient is φ = 324576000.

The previous prime is 420959069. The next prime is 420959081. The reversal of 420959075 is 570959024.

It is an interprime number because it is at equal distance from previous prime (420959069) and next prime (420959081).

It is not a de Polignac number, because 420959075 - 2²⁴ = 404181859 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216809 + ... + 218741.

It is an arithmetic number, because the mean of its divisors is an integer number (22542704).

Almost surely, 2^420959075 is an apocalyptic number.

420959075 is a deficient number, since it is larger than the sum of its proper divisors (120065821).

420959075 is a wasteful number, since it uses less digits than its factorization.

420959075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 420959075 is about 20517.2872232174. The cubic root of 420959075 is about 749.4568363556.

The spelling of 420959075 in words is "four hundred twenty million, nine hundred fifty-nine thousand, seventy-five".