42532172 has 12 divisors (see below), whose sum is σ = 75199320. Its totient is φ = 21046656.

The previous prime is 42532157. The next prime is 42532177. The reversal of 42532172 is 27123524.

42532172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42532177) 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, 54422 + ... + 55197.

It is an arithmetic number, because the mean of its divisors is an integer number (6266610).

Almost surely, 2^42532172 is an apocalyptic number.

It is an amenable number.

42532172 is a deficient number, since it is larger than the sum of its proper divisors (32667148).

42532172 is a wasteful number, since it uses less digits than its factorization.

42532172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109720 (or 109718 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 42532172 is about 6521.6694181781. The cubic root of 42532172 is about 349.0646371962.

Adding to 42532172 its reverse (27123524), we get a palindrome (69655696).

The spelling of 42532172 in words is "forty-two million, five hundred thirty-two thousand, one hundred seventy-two".