42294873 has 4 divisors (see below), whose sum is σ = 56393168. Its totient is φ = 28196580.

The previous prime is 42294869. The next prime is 42294911. The reversal of 42294873 is 37849224.

42294873 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 not a de Polignac number, because 42294873 - 2² = 42294869 is a prime.

It is a super-2 number, since 2×42294873² = 3577712564172258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42294823) 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, 7049143 + ... + 7049148.

It is an arithmetic number, because the mean of its divisors is an integer number (14098292).

Almost surely, 2^42294873 is an apocalyptic number.

It is an amenable number.

42294873 is a deficient number, since it is larger than the sum of its proper divisors (14098295).

42294873 is a wasteful number, since it uses less digits than its factorization.

42294873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098294.

The product of its digits is 96768, while the sum is 39.

The square root of 42294873 is about 6503.4508532009. The cubic root of 42294873 is about 348.4142493940.

The spelling of 42294873 in words is "forty-two million, two hundred ninety-four thousand, eight hundred seventy-three".