42275532 has 96 divisors (see below), whose sum is σ = 118540800. Its totient is φ = 11584512.

The previous prime is 42275521. The next prime is 42275539. The reversal of 42275532 is 23557224.

It is a self number, because there is not a number n which added to its sum of digits gives 42275532.

It is not an unprimeable number, because it can be changed into a prime (42275539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49969 + ... + 50807.

It is an arithmetic number, because the mean of its divisors is an integer number (1234800).

Almost surely, 2^42275532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42275532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59270400).

42275532 is an abundant number, since it is smaller than the sum of its proper divisors (76265268).

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

42275532 is a wasteful number, since it uses less digits than its factorization.

42275532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 42275532 is about 6501.9637033745. The cubic root of 42275532 is about 348.3611325743.

The spelling of 42275532 in words is "forty-two million, two hundred seventy-five thousand, five hundred thirty-two".