42573172 has 12 divisors (see below), whose sum is σ = 74561760. Its totient is φ = 21269816.

The previous prime is 42573127. The next prime is 42573173. The reversal of 42573172 is 27137524.

42573172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42573173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (6213480).

Almost surely, 2^42573172 is an apocalyptic number.

It is an amenable number.

42573172 is a deficient number, since it is larger than the sum of its proper divisors (31988588).

42573172 is a wasteful number, since it uses less digits than its factorization.

42573172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390 (or 8388 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 42573172 is about 6524.8120279438. The cubic root of 42573172 is about 349.1767645045.

The spelling of 42573172 in words is "forty-two million, five hundred seventy-three thousand, one hundred seventy-two".