42371904 has 28 divisors (see below), whose sum is σ = 112109504. Its totient is φ = 14123904.

The previous prime is 42371873. The next prime is 42371941. The reversal of 42371904 is 40917324.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 110152 + ... + 110535.

Almost surely, 2^42371904 is an apocalyptic number.

It is an amenable number.

42371904 is an abundant number, since it is smaller than the sum of its proper divisors (69737600).

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

42371904 is a wasteful number, since it uses less digits than its factorization.

42371904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220702 (or 220692 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42371904 is about 6509.3704764747. The cubic root of 42371904 is about 348.6256416107.

It can be divided in two parts, 423 and 71904, that added together give a palindrome (72327).

The spelling of 42371904 in words is "forty-two million, three hundred seventy-one thousand, nine hundred four".