42873426 has 48 divisors (see below), whose sum is σ = 100301760. Its totient is φ = 13194720.

The previous prime is 42873373. The next prime is 42873427. The reversal of 42873426 is 62437824.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42873427) 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 23 ways as a sum of consecutive naturals, for example, 10221 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (2089620).

Almost surely, 2^42873426 is an apocalyptic number.

42873426 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42873426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50150880).

42873426 is an abundant number, since it is smaller than the sum of its proper divisors (57428334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42873426 is a wasteful number, since it uses less digits than its factorization.

42873426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3628 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42873426 is about 6547.7802345528. The cubic root of 42873426 is about 349.9957169544.

The spelling of 42873426 in words is "forty-two million, eight hundred seventy-three thousand, four hundred twenty-six".