42234273 has 12 divisors (see below), whose sum is σ = 64593828. Its totient is φ = 26499840.

The previous prime is 42234271. The next prime is 42234281. The reversal of 42234273 is 37243224.

It can be written as a sum of positive squares in 2 ways, for example, as 34433424 + 7800849 = 5868^2 + 2793^2 .

It is not a de Polignac number, because 42234273 - 2¹ = 42234271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234271) 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, 137868 + ... + 138173.

It is an arithmetic number, because the mean of its divisors is an integer number (5382819).

Almost surely, 2^42234273 is an apocalyptic number.

It is an amenable number.

42234273 is a deficient number, since it is larger than the sum of its proper divisors (22359555).

42234273 is a wasteful number, since it uses less digits than its factorization.

42234273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276064 (or 276061 counting only the distinct ones).

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

The square root of 42234273 is about 6498.7901181682. The cubic root of 42234273 is about 348.2477674697.

Adding to 42234273 its reverse (37243224), we get a palindrome (79477497).

The spelling of 42234273 in words is "forty-two million, two hundred thirty-four thousand, two hundred seventy-three".