42030004 has 12 divisors (see below), whose sum is σ = 73978884. Its totient is φ = 20893184.

The previous prime is 42029989. The next prime is 42030031. The reversal of 42030004 is 40003024.

It can be written as a sum of positive squares in 2 ways, for example, as 34245904 + 7784100 = 5852^2 + 2790^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29677 + ... + 31060.

It is an arithmetic number, because the mean of its divisors is an integer number (6164907).

Almost surely, 2^42030004 is an apocalyptic number.

It is an amenable number.

42030004 is a deficient number, since it is larger than the sum of its proper divisors (31948880).

42030004 is a wasteful number, since it uses less digits than its factorization.

42030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60914 (or 60912 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 42030004 is about 6483.0551439888. The cubic root of 42030004 is about 347.6854183600.

Adding to 42030004 its reverse (40003024), we get a palindrome (82033028).

The spelling of 42030004 in words is "forty-two million, thirty thousand, four", and thus it is an eban number.