42872469 has 16 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 27431936.

The previous prime is 42872399. The next prime is 42872491. The reversal of 42872469 is 96427824.

42872469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42872469 - 2¹⁹ = 42348181 is a prime.

It is a super-2 number, since 2×42872469² = 3676097196311922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42872469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42871469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14197 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (3717900).

Almost surely, 2^42872469 is an apocalyptic number.

It is an amenable number.

42872469 is a deficient number, since it is larger than the sum of its proper divisors (16613931).

42872469 is a wasteful number, since it uses less digits than its factorization.

42872469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its digits is 193536, while the sum is 42.

The square root of 42872469 is about 6547.7071559440. The cubic root of 42872469 is about 349.9931127896.

The spelling of 42872469 in words is "forty-two million, eight hundred seventy-two thousand, four hundred sixty-nine".