42448237 has 12 divisors (see below), whose sum is σ = 46317180. Its totient is φ = 38901096.

The previous prime is 42448187. The next prime is 42448279. The reversal of 42448237 is 73284424.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 40883236 = 1251^2 + 6394^2 .

It is not a de Polignac number, because 42448237 - 2¹¹ = 42446189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42448037) 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, 305314 + ... + 305452.

It is an arithmetic number, because the mean of its divisors is an integer number (3859765).

Almost surely, 2^42448237 is an apocalyptic number.

It is an amenable number.

42448237 is a deficient number, since it is larger than the sum of its proper divisors (3868943).

42448237 is an frugal number, since it uses more digits than its factorization.

42448237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 152 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 42448237 is about 6515.2311547634. The cubic root of 42448237 is about 348.8348657606.

The spelling of 42448237 in words is "forty-two million, four hundred forty-eight thousand, two hundred thirty-seven".