42730116 has 96 divisors (see below), whose sum is σ = 120478848. Its totient is φ = 11612160.

The previous prime is 42730109. The next prime is 42730117. The reversal of 42730116 is 61103724.

It is not an unprimeable number, because it can be changed into a prime (42730117) 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 31 ways as a sum of consecutive naturals, for example, 63156 + ... + 63828.

It is an arithmetic number, because the mean of its divisors is an integer number (1254988).

Almost surely, 2^42730116 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 42730116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60239424).

42730116 is an abundant number, since it is smaller than the sum of its proper divisors (77748732).

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

42730116 is a wasteful number, since it uses less digits than its factorization.

42730116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 42730116 is about 6536.8276709731. The cubic root of 42730116 is about 349.6053129107.

The spelling of 42730116 in words is "forty-two million, seven hundred thirty thousand, one hundred sixteen".