42470904 has 64 divisors (see below), whose sum is σ = 122595840. Its totient is φ = 12009600.

The previous prime is 42470893. The next prime is 42470921. The reversal of 42470904 is 40907424.

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 15 ways as a sum of consecutive naturals, for example, 15717 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (1915560).

Almost surely, 2^42470904 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 42470904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61297920).

42470904 is an abundant number, since it is smaller than the sum of its proper divisors (80124936).

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

42470904 is a wasteful number, since it uses less digits than its factorization.

42470904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42470904 is about 6516.9704618020. The cubic root of 42470904 is about 348.8969463357.

The spelling of 42470904 in words is "forty-two million, four hundred seventy thousand, nine hundred four".