42204930 has 32 divisors (see below), whose sum is σ = 103650624. Its totient is φ = 10992576.

The previous prime is 42204923. The next prime is 42204937. The reversal of 42204930 is 3940224.

It is a happy number.

42204930 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 (42204923) and next prime (42204937).

It is a super-3 number, since 3×42204930³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42204930.

It is not an unprimeable number, because it can be changed into a prime (42204937) 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 15 ways as a sum of consecutive naturals, for example, 15069 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (3239082).

Almost surely, 2^42204930 is an apocalyptic number.

42204930 is an abundant number, since it is smaller than the sum of its proper divisors (61445694).

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

42204930 is a wasteful number, since it uses less digits than its factorization.

42204930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32770.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 42204930 is about 6496.5321518484. The cubic root of 42204930 is about 348.1670983752.

It can be divided in two parts, 42204 and 930, that added together give a palindrome (43134).

The spelling of 42204930 in words is "forty-two million, two hundred four thousand, nine hundred thirty".