42272532 has 18 divisors (see below), whose sum is σ = 106855658. Its totient is φ = 14090832.

The previous prime is 42272513. The next prime is 42272563. The reversal of 42272532 is 23527224.

It can be written as a sum of positive squares in only one way, i.e., 33593616 + 8678916 = 5796^2 + 2946^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 42272496 and 42272505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587083 + ... + 587154.

Almost surely, 2^42272532 is an apocalyptic number.

It is an amenable number.

42272532 is an abundant number, since it is smaller than the sum of its proper divisors (64583126).

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

42272532 is a wasteful number, since it uses less digits than its factorization.

42272532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174247 (or 1174242 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 42272532 is about 6501.7329997471. The cubic root of 42272532 is about 348.3528921251.

Adding to 42272532 its reverse (23527224), we get a palindrome (65799756).

The spelling of 42272532 in words is "forty-two million, two hundred seventy-two thousand, five hundred thirty-two".