420273175 has 12 divisors (see below), whose sum is σ = 595587376. Its totient is φ = 288187200.

The previous prime is 420273173. The next prime is 420273193. The reversal of 420273175 is 571372024.

It is not a de Polignac number, because 420273175 - 2¹ = 420273173 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420273173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200606 + ... + 1200955.

Almost surely, 2^420273175 is an apocalyptic number.

420273175 is a deficient number, since it is larger than the sum of its proper divisors (175314201).

420273175 is a wasteful number, since it uses less digits than its factorization.

420273175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401578 (or 2401573 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 420273175 is about 20500.5652361100. The cubic root of 420273175 is about 749.0495664472.

It can be divided in two parts, 4202 and 73175, that added together give a palindrome (77377).

The spelling of 420273175 in words is "four hundred twenty million, two hundred seventy-three thousand, one hundred seventy-five".