42872116 has 12 divisors (see below), whose sum is σ = 85744288. Its totient is φ = 18373752.

The previous prime is 42872099. The next prime is 42872117. The reversal of 42872116 is 61127824.

42872116 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42872117) 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, 765546 + ... + 765601.

Almost surely, 2^42872116 is an apocalyptic number.

It is an amenable number.

42872116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42872116 is a wasteful number, since it uses less digits than its factorization.

42872116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531158 (or 1531156 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 42872116 is about 6547.6801998876. The cubic root of 42872116 is about 349.9921522050.

The spelling of 42872116 in words is "forty-two million, eight hundred seventy-two thousand, one hundred sixteen".