42673837 has 4 divisors (see below), whose sum is σ = 42710976. Its totient is φ = 42636700.

The previous prime is 42673801. The next prime is 42673843. The reversal of 42673837 is 73837624.

It is a happy number.

42673837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42673837 - 2¹⁵ = 42641069 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42673837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16789 + ... + 19162.

It is an arithmetic number, because the mean of its divisors is an integer number (10677744).

Almost surely, 2^42673837 is an apocalyptic number.

It is an amenable number.

42673837 is a deficient number, since it is larger than the sum of its proper divisors (37139).

42673837 is a wasteful number, since it uses less digits than its factorization.

42673837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37138.

The product of its digits is 169344, while the sum is 40.

The square root of 42673837 is about 6532.5214886750. The cubic root of 42673837 is about 349.4517593704.

The spelling of 42673837 in words is "forty-two million, six hundred seventy-three thousand, eight hundred thirty-seven".