42547998 has 8 divisors (see below), whose sum is σ = 85096008. Its totient is φ = 14182664.

The previous prime is 42547997. The next prime is 42548063. The reversal of 42547998 is 89974524.

42547998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42547998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42547997) 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, 3545661 + ... + 3545672.

It is an arithmetic number, because the mean of its divisors is an integer number (10637001).

Almost surely, 2^42547998 is an apocalyptic number.

42547998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42547998 is a wasteful number, since it uses less digits than its factorization.

42547998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7091338.

The product of its digits is 725760, while the sum is 48.

The square root of 42547998 is about 6522.8826449661. The cubic root of 42547998 is about 349.1079268727.

The spelling of 42547998 in words is "forty-two million, five hundred forty-seven thousand, nine hundred ninety-eight".