42873199 has 4 divisors (see below), whose sum is σ = 42916536. Its totient is φ = 42829864.

The previous prime is 42873113. The next prime is 42873203. The reversal of 42873199 is 99137824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42873199 - 2¹¹ = 42871151 is a prime.

It is a super-5 number, since 5×42873199⁵ (a number of 39 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20149 + ... + 22174.

It is an arithmetic number, because the mean of its divisors is an integer number (10729134).

Almost surely, 2^42873199 is an apocalyptic number.

42873199 is a deficient number, since it is larger than the sum of its proper divisors (43337).

42873199 is a wasteful number, since it uses less digits than its factorization.

42873199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43336.

The product of its digits is 108864, while the sum is 43.

The square root of 42873199 is about 6547.7629004111. The cubic root of 42873199 is about 349.9950992511.

The spelling of 42873199 in words is "forty-two million, eight hundred seventy-three thousand, one hundred ninety-nine".