42035780 has 12 divisors (see below), whose sum is σ = 88275180. Its totient is φ = 16814304.

The previous prime is 42035779. The next prime is 42035797. The reversal of 42035780 is 8753024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17572864 + 24462916 = 4192^2 + 4946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050875 + ... + 1050914.

It is an arithmetic number, because the mean of its divisors is an integer number (7356265).

Almost surely, 2^42035780 is an apocalyptic number.

It is an amenable number.

42035780 is an abundant number, since it is smaller than the sum of its proper divisors (46239400).

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

42035780 is a wasteful number, since it uses less digits than its factorization.

42035780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101798 (or 2101796 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42035780 is about 6483.5005976710. The cubic root of 42035780 is about 347.7013445936.

The spelling of 42035780 in words is "forty-two million, thirty-five thousand, seven hundred eighty".