42724566 has 24 divisors (see below), whose sum is σ = 95073264. Its totient is φ = 13856400.

The previous prime is 42724531. The next prime is 42724579. The reversal of 42724566 is 66542724.

It is a self number, because there is not a number n which added to its sum of digits gives 42724566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31410 + ... + 32741.

It is an arithmetic number, because the mean of its divisors is an integer number (3961386).

Almost surely, 2^42724566 is an apocalyptic number.

42724566 is an abundant number, since it is smaller than the sum of its proper divisors (52348698).

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

42724566 is a wasteful number, since it uses less digits than its factorization.

42724566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64196 (or 64193 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 42724566 is about 6536.4031393420. The cubic root of 42724566 is about 349.5901760964.

The spelling of 42724566 in words is "forty-two million, seven hundred twenty-four thousand, five hundred sixty-six".