42573570 has 64 divisors (see below), whose sum is σ = 110847744. Its totient is φ = 10402560.

The previous prime is 42573563. The next prime is 42573577. The reversal of 42573570 is 7537524.

It is an interprime number because it is at equal distance from previous prime (42573563) and next prime (42573577).

It is not an unprimeable number, because it can be changed into a prime (42573577) 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 31 ways as a sum of consecutive naturals, for example, 67155 + ... + 67785.

It is an arithmetic number, because the mean of its divisors is an integer number (1731996).

Almost surely, 2^42573570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42573570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55423872).

42573570 is an abundant number, since it is smaller than the sum of its proper divisors (68274174).

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

42573570 is a wasteful number, since it uses less digits than its factorization.

42573570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 42573570 is about 6524.8425268354. The cubic root of 42573570 is about 349.1778526070.

The spelling of 42573570 in words is "forty-two million, five hundred seventy-three thousand, five hundred seventy".