42517074 has 16 divisors (see below), whose sum is σ = 87966720. Its totient is φ = 13683600.

The previous prime is 42517063. The next prime is 42517091. The reversal of 42517074 is 47071524.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122002 + ... + 122349.

It is an arithmetic number, because the mean of its divisors is an integer number (5497920).

Almost surely, 2^42517074 is an apocalyptic number.

42517074 is an abundant number, since it is smaller than the sum of its proper divisors (45449646).

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

42517074 is a wasteful number, since it uses less digits than its factorization.

42517074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244385.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 42517074 is about 6520.5117897294. The cubic root of 42517074 is about 349.0233288456.

Adding to 42517074 its reverse (47071524), we get a palindrome (89588598).

It can be divided in two parts, 4251 and 7074, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 42517074 in words is "forty-two million, five hundred seventeen thousand, seventy-four".