42733888 has 56 divisors (see below), whose sum is σ = 90342720. Its totient is φ = 19998720.

The previous prime is 42733883. The next prime is 42733891. The reversal of 42733888 is 88833724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137253 + ... + 137563.

Almost surely, 2^42733888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42733888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45171360).

42733888 is an abundant number, since it is smaller than the sum of its proper divisors (47608832).

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

42733888 is a wasteful number, since it uses less digits than its factorization.

42733888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 445 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 42733888 is about 6537.1161837618. The cubic root of 42733888 is about 349.6155997417.

The spelling of 42733888 in words is "forty-two million, seven hundred thirty-three thousand, eight hundred eighty-eight".