42748872 has 16 divisors (see below), whose sum is σ = 106872240. Its totient is φ = 14249616.

The previous prime is 42748859. The next prime is 42748889. The reversal of 42748872 is 27884724.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 890578 + ... + 890625.

It is an arithmetic number, because the mean of its divisors is an integer number (6679515).

Almost surely, 2^42748872 is an apocalyptic number.

It is an amenable number.

42748872 is an abundant number, since it is smaller than the sum of its proper divisors (64123368).

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

42748872 is a wasteful number, since it uses less digits than its factorization.

42748872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781212 (or 1781208 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 42748872 is about 6538.2621544261. The cubic root of 42748872 is about 349.6564574639.

The spelling of 42748872 in words is "forty-two million, seven hundred forty-eight thousand, eight hundred seventy-two".