42788532 has 24 divisors (see below), whose sum is σ = 105095200. Its totient is φ = 13512096.

The previous prime is 42788531. The next prime is 42788561. The reversal of 42788532 is 23588724.

42788532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42788531) 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 7 ways as a sum of consecutive naturals, for example, 93607 + ... + 94062.

Almost surely, 2^42788532 is an apocalyptic number.

It is an amenable number.

42788532 is an abundant number, since it is smaller than the sum of its proper divisors (62306668).

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

42788532 is a wasteful number, since it uses less digits than its factorization.

42788532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187695 (or 187693 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 42788532 is about 6541.2943673252. The cubic root of 42788532 is about 349.7645545763.

The spelling of 42788532 in words is "forty-two million, seven hundred eighty-eight thousand, five hundred thirty-two".