42847458 has 16 divisors (see below), whose sum is σ = 86264256. Its totient is φ = 14187600.

The previous prime is 42847447. The next prime is 42847477. The reversal of 42847458 is 85474824.

42847458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22741 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (5391516).

Almost surely, 2^42847458 is an apocalyptic number.

42847458 is an abundant number, since it is smaller than the sum of its proper divisors (43416798).

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

42847458 is a wasteful number, since it uses less digits than its factorization.

42847458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47449.

The product of its digits is 286720, while the sum is 42.

The square root of 42847458 is about 6545.7969721035. The cubic root of 42847458 is about 349.9250397291.

The spelling of 42847458 in words is "forty-two million, eight hundred forty-seven thousand, four hundred fifty-eight".