42688830 has 16 divisors (see below), whose sum is σ = 102453264. Its totient is φ = 11383680.

The previous prime is 42688817. The next prime is 42688843. The reversal of 42688830 is 3888624.

42688830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42688817) and next prime (42688843).

It is a super-3 number, since 3×42688830³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 711451 + ... + 711510.

It is an arithmetic number, because the mean of its divisors is an integer number (6403329).

Almost surely, 2^42688830 is an apocalyptic number.

42688830 is an abundant number, since it is smaller than the sum of its proper divisors (59764434).

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

42688830 is a wasteful number, since it uses less digits than its factorization.

42688830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422971.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 42688830 is about 6533.6689539645. The cubic root of 42688830 is about 349.4926799681.

The spelling of 42688830 in words is "forty-two million, six hundred eighty-eight thousand, eight hundred thirty".