42415872 has 36 divisors (see below), whose sum is σ = 112890120. Its totient is φ = 14138368.

The previous prime is 42415871. The next prime is 42415889. The reversal of 42415872 is 27851424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42415871) 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, 26847 + ... + 28382.

Almost surely, 2^42415872 is an apocalyptic number.

It is an amenable number.

42415872 is an abundant number, since it is smaller than the sum of its proper divisors (70474248).

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

42415872 is an equidigital number, since it uses as much as digits as its factorization.

42415872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55248 (or 55234 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 42415872 is about 6512.7468859153. The cubic root of 42415872 is about 348.7461859014.

The spelling of 42415872 in words is "forty-two million, four hundred fifteen thousand, eight hundred seventy-two".