42472885 has 64 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 23970816.

The previous prime is 42472879. The next prime is 42472967. The reversal of 42472885 is 58827424.

It is not a de Polignac number, because 42472885 - 2⁷ = 42472757 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 2235406 + ... + 2235424.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200).

Almost surely, 2^42472885 is an apocalyptic number.

It is an amenable number.

42472885 is a deficient number, since it is larger than the sum of its proper divisors (27683915).

42472885 is a wasteful number, since it uses less digits than its factorization.

42472885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 61 counting only the distinct ones).

The product of its digits is 143360, while the sum is 40.

The square root of 42472885 is about 6517.1224478293. The cubic root of 42472885 is about 348.9023708659.

The spelling of 42472885 in words is "forty-two million, four hundred seventy-two thousand, eight hundred eighty-five".