42504573 has 16 divisors (see below), whose sum is σ = 60575040. Its totient is φ = 26416896.

The previous prime is 42504563. The next prime is 42504587. The reversal of 42504573 is 37540524.

It is not a de Polignac number, because 42504573 - 2⁹ = 42504061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42504573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (3785940).

Almost surely, 2^42504573 is an apocalyptic number.

It is an amenable number.

42504573 is a deficient number, since it is larger than the sum of its proper divisors (18070467).

42504573 is a wasteful number, since it uses less digits than its factorization.

42504573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 42504573 is about 6519.5531288578. The cubic root of 42504573 is about 348.9891185240.

The spelling of 42504573 in words is "forty-two million, five hundred four thousand, five hundred seventy-three".