42873197 has 4 divisors (see below), whose sum is σ = 43097856. Its totient is φ = 42648540.

The previous prime is 42873113. The next prime is 42873203. The reversal of 42873197 is 79137824.

42873197 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 42873197 - 2⁸ = 42872941 is a prime.

It is a super-2 number, since 2×42873197² = 3676222042001618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873497) 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, 112043 + ... + 112424.

It is an arithmetic number, because the mean of its divisors is an integer number (10774464).

Almost surely, 2^42873197 is an apocalyptic number.

It is an amenable number.

42873197 is a deficient number, since it is larger than the sum of its proper divisors (224659).

42873197 is a wasteful number, since it uses less digits than its factorization.

42873197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224658.

The product of its digits is 84672, while the sum is 41.

The square root of 42873197 is about 6547.7627476872. The cubic root of 42873197 is about 349.9950938088.

The spelling of 42873197 in words is "forty-two million, eight hundred seventy-three thousand, one hundred ninety-seven".