420064575 has 24 divisors (see below), whose sum is σ = 793723008. Its totient is φ = 192029280.

The previous prime is 420064537. The next prime is 420064609. The reversal of 420064575 is 575460024.

It is not a de Polignac number, because 420064575 - 2⁶ = 420064511 is a prime.

420064575 is a modest number, since divided by 64575 gives 4200 as remainder.

It is a congruent number.

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, 399537 + ... + 400586.

It is an arithmetic number, because the mean of its divisors is an integer number (33071792).

Almost surely, 2^420064575 is an apocalyptic number.

420064575 is a deficient number, since it is larger than the sum of its proper divisors (373658433).

420064575 is a wasteful number, since it uses less digits than its factorization.

420064575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800143 (or 800138 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 420064575 is about 20495.4769400470. The cubic root of 420064575 is about 748.9256172260.

The spelling of 420064575 in words is "four hundred twenty million, sixty-four thousand, five hundred seventy-five".