42604566 has 8 divisors (see below), whose sum is σ = 85209144. Its totient is φ = 14201520.

The previous prime is 42604553. The next prime is 42604577. The reversal of 42604566 is 66540624.

It is a sphenic number, since it is the product of 3 distinct primes.

42604566 is an admirable number.

It is a Curzon number.

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, 3550375 + ... + 3550386.

It is an arithmetic number, because the mean of its divisors is an integer number (10651143).

Almost surely, 2^42604566 is an apocalyptic number.

42604566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42604566 is a wasteful number, since it uses less digits than its factorization.

42604566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100766.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 42604566 is about 6527.2173244040. The cubic root of 42604566 is about 349.2625725491.

The spelling of 42604566 in words is "forty-two million, six hundred four thousand, five hundred sixty-six".