42273432 has 24 divisors (see below), whose sum is σ = 114490740. Its totient is φ = 14091120.

The previous prime is 42273431. The next prime is 42273437. The reversal of 42273432 is 23437224.

42273432 is a `hidden beast` number, since 4 + 227 + 3 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×42273432³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42273396 and 42273405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293494 + ... + 293637.

Almost surely, 2^42273432 is an apocalyptic number.

It is an amenable number.

42273432 is an abundant number, since it is smaller than the sum of its proper divisors (72217308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42273432 is a wasteful number, since it uses less digits than its factorization.

42273432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587143 (or 587136 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 42273432 is about 6501.8022116948. The cubic root of 42273432 is about 348.3553643008.

The spelling of 42273432 in words is "forty-two million, two hundred seventy-three thousand, four hundred thirty-two".