42231437 has 8 divisors (see below), whose sum is σ = 42811392. Its totient is φ = 41655600.

The previous prime is 42231403. The next prime is 42231491. The reversal of 42231437 is 73413224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42231437 - 2¹⁰ = 42230413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23387 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (5351424).

Almost surely, 2^42231437 is an apocalyptic number.

It is an amenable number.

42231437 is a deficient number, since it is larger than the sum of its proper divisors (579955).

42231437 is a wasteful number, since it uses less digits than its factorization.

42231437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its digits is 4032, while the sum is 26.

The square root of 42231437 is about 6498.5719200452. The cubic root of 42231437 is about 348.2399724358.

The spelling of 42231437 in words is "forty-two million, two hundred thirty-one thousand, four hundred thirty-seven".