42887472 has 20 divisors (see below), whose sum is σ = 110792760. Its totient is φ = 14295808.

The previous prime is 42887461. The next prime is 42887489. The reversal of 42887472 is 27478824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446697 + ... + 446792.

It is an arithmetic number, because the mean of its divisors is an integer number (5539638).

Almost surely, 2^42887472 is an apocalyptic number.

It is an amenable number.

42887472 is an abundant number, since it is smaller than the sum of its proper divisors (67905288).

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

42887472 is a wasteful number, since it uses less digits than its factorization.

42887472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893500 (or 893494 counting only the distinct ones).

The product of its digits is 200704, while the sum is 42.

The square root of 42887472 is about 6548.8527239510. The cubic root of 42887472 is about 350.0339341248.

The spelling of 42887472 in words is "forty-two million, eight hundred eighty-seven thousand, four hundred seventy-two".