42507572 has 12 divisors (see below), whose sum is σ = 76788096. Its totient is φ = 20568120.

The previous prime is 42507571. The next prime is 42507583. The reversal of 42507572 is 27570524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42507571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171278 + ... + 171525.

It is an arithmetic number, because the mean of its divisors is an integer number (6399008).

Almost surely, 2^42507572 is an apocalyptic number.

It is an amenable number.

42507572 is a deficient number, since it is larger than the sum of its proper divisors (34280524).

42507572 is a wasteful number, since it uses less digits than its factorization.

42507572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342838 (or 342836 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 42507572 is about 6519.7831252274. The cubic root of 42507572 is about 348.9973262193.

The spelling of 42507572 in words is "forty-two million, five hundred seven thousand, five hundred seventy-two".