42270843 has 8 divisors (see below), whose sum is σ = 56415808. Its totient is φ = 28153224.

The previous prime is 42270841. The next prime is 42270847. The reversal of 42270843 is 34807224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42270843 - 2¹ = 42270841 is a prime.

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 42270843.

It is not an unprimeable number, because it can be changed into a prime (42270841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 9642.

It is an arithmetic number, because the mean of its divisors is an integer number (7051976).

Almost surely, 2^42270843 is an apocalyptic number.

42270843 is a deficient number, since it is larger than the sum of its proper divisors (14144965).

42270843 is a wasteful number, since it uses less digits than its factorization.

42270843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42270843 is about 6501.6031100029. The cubic root of 42270843 is about 348.3482525807.

The spelling of 42270843 in words is "forty-two million, two hundred seventy thousand, eight hundred forty-three".