42013304 has 8 divisors (see below), whose sum is σ = 78774960. Its totient is φ = 21006648.

The previous prime is 42013303. The next prime is 42013333. The reversal of 42013304 is 40331024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42013303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625824 + ... + 2625839.

It is an arithmetic number, because the mean of its divisors is an integer number (9846870).

Almost surely, 2^42013304 is an apocalyptic number.

It is an amenable number.

42013304 is a deficient number, since it is larger than the sum of its proper divisors (36761656).

42013304 is a wasteful number, since it uses less digits than its factorization.

42013304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251669 (or 5251665 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42013304 is about 6481.7670430215. The cubic root of 42013304 is about 347.6393630414.

Adding to 42013304 its reverse (40331024), we get a palindrome (82344328).

The spelling of 42013304 in words is "forty-two million, thirteen thousand, three hundred four".