420706575 has 24 divisors (see below), whose sum is σ = 772854800. Its totient is φ = 224376480.

The previous prime is 420706523. The next prime is 420706577. The reversal of 420706575 is 575607024.

It is not a de Polignac number, because 420706575 - 2⁹ = 420706063 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420706577) 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, 310960 + ... + 312309.

Almost surely, 2^420706575 is an apocalyptic number.

420706575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420706575 is a deficient number, since it is larger than the sum of its proper divisors (352148225).

420706575 is a wasteful number, since it uses less digits than its factorization.

420706575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623288 (or 623277 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 420706575 is about 20511.1329526187. The cubic root of 420706575 is about 749.3069597909.

The spelling of 420706575 in words is "four hundred twenty million, seven hundred six thousand, five hundred seventy-five".