42471572 has 48 divisors (see below), whose sum is σ = 89498304. Its totient is φ = 17376000.

The previous prime is 42471553. The next prime is 42471587. The reversal of 42471572 is 27517424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22547 + ... + 24357.

It is an arithmetic number, because the mean of its divisors is an integer number (1864548).

Almost surely, 2^42471572 is an apocalyptic number.

It is an amenable number.

42471572 is an abundant number, since it is smaller than the sum of its proper divisors (47026732).

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

42471572 is a wasteful number, since it uses less digits than its factorization.

42471572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1878 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 42471572 is about 6517.0217124082. The cubic root of 42471572 is about 348.8987755247.

Adding to 42471572 its reverse (27517424), we get a palindrome (69988996).

The spelling of 42471572 in words is "forty-two million, four hundred seventy-one thousand, five hundred seventy-two".