42305904 has 30 divisors (see below), whose sum is σ = 118398176. Its totient is φ = 14101920.

The previous prime is 42305881. The next prime is 42305959. The reversal of 42305904 is 40950324.

42305904 is a `hidden beast` number, since 42 + 30 + 590 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146752 + ... + 147039.

Almost surely, 2^42305904 is an apocalyptic number.

It is an amenable number.

42305904 is an abundant number, since it is smaller than the sum of its proper divisors (76092272).

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

42305904 is a wasteful number, since it uses less digits than its factorization.

42305904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293805 (or 293796 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42305904 is about 6504.2988861214. The cubic root of 42305904 is about 348.4445369382. Note that the first 3 decimals are identical.

The spelling of 42305904 in words is "forty-two million, three hundred five thousand, nine hundred four".