42748218 has 24 divisors (see below), whose sum is σ = 93139956. Its totient is φ = 14169600.

The previous prime is 42748207. The next prime is 42748219. The reversal of 42748218 is 81284724.

It can be written as a sum of positive squares in 2 ways, for example, as 31438449 + 11309769 = 5607^2 + 3363^2 .

It is not an unprimeable number, because it can be changed into a prime (42748219) 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 11 ways as a sum of consecutive naturals, for example, 3303 + ... + 9818.

Almost surely, 2^42748218 is an apocalyptic number.

42748218 is an abundant number, since it is smaller than the sum of its proper divisors (50391738).

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

42748218 is a wasteful number, since it uses less digits than its factorization.

42748218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310 (or 13307 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42748218 is about 6538.2121409450. The cubic root of 42748218 is about 349.6546743643.

The spelling of 42748218 in words is "forty-two million, seven hundred forty-eight thousand, two hundred eighteen".