42517104 has 60 divisors (see below), whose sum is σ = 127775304. Its totient is φ = 12147072.

The previous prime is 42517099. The next prime is 42517109. The reversal of 42517104 is 40171524.

It is an interprime number because it is at equal distance from previous prime (42517099) and next prime (42517109).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42517109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6687 + ... + 11390.

Almost surely, 2^42517104 is an apocalyptic number.

It is an amenable number.

42517104 is an abundant number, since it is smaller than the sum of its proper divisors (85258200).

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

42517104 is a wasteful number, since it uses less digits than its factorization.

42517104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102 (or 18089 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42517104 is about 6520.5140901619. The cubic root of 42517104 is about 349.0234109358.

Adding to 42517104 its reverse (40171524), we get a palindrome (82688628).

The spelling of 42517104 in words is "forty-two million, five hundred seventeen thousand, one hundred four".