42725132 has 12 divisors (see below), whose sum is σ = 75995136. Its totient is φ = 21012240.

The previous prime is 42725117. The next prime is 42725143. The reversal of 42725132 is 23152724.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87308 + ... + 87795.

It is an arithmetic number, because the mean of its divisors is an integer number (6332928).

Almost surely, 2^42725132 is an apocalyptic number.

It is an amenable number.

42725132 is a deficient number, since it is larger than the sum of its proper divisors (33270004).

42725132 is a wasteful number, since it uses less digits than its factorization.

42725132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175168 (or 175166 counting only the distinct ones).

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

The square root of 42725132 is about 6536.4464351817. The cubic root of 42725132 is about 349.5917198387.

Adding to 42725132 its reverse (23152724), we get a palindrome (65877856).

The spelling of 42725132 in words is "forty-two million, seven hundred twenty-five thousand, one hundred thirty-two".