42272052 has 12 divisors (see below), whose sum is σ = 98634816. Its totient is φ = 14090680.

The previous prime is 42272039. The next prime is 42272059. The reversal of 42272052 is 25027224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42272059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761324 + ... + 1761347.

It is an arithmetic number, because the mean of its divisors is an integer number (8219568).

Almost surely, 2^42272052 is an apocalyptic number.

It is an amenable number.

42272052 is an abundant number, since it is smaller than the sum of its proper divisors (56362764).

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

42272052 is a wasteful number, since it uses less digits than its factorization.

42272052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522678 (or 3522676 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 42272052 is about 6501.6960864070. The cubic root of 42272052 is about 348.3515736171.

Adding to 42272052 its reverse (25027224), we get a palindrome (67299276).

The spelling of 42272052 in words is "forty-two million, two hundred seventy-two thousand, fifty-two".