42617504 has 24 divisors (see below), whose sum is σ = 88839828. Its totient is φ = 20055040.

The previous prime is 42617503. The next prime is 42617507. The reversal of 42617504 is 40571624.

It can be written as a sum of positive squares in 2 ways, for example, as 39187600 + 3429904 = 6260^2 + 1852^2 .

It is not an unprimeable number, because it can be changed into a prime (42617503) 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, 38627 + ... + 39714.

Almost surely, 2^42617504 is an apocalyptic number.

It is an amenable number.

42617504 is an abundant number, since it is smaller than the sum of its proper divisors (46222324).

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

42617504 is a wasteful number, since it uses less digits than its factorization.

42617504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78368 (or 78360 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42617504 is about 6528.2083300091. The cubic root of 42617504 is about 349.2979232345.

The spelling of 42617504 in words is "forty-two million, six hundred seventeen thousand, five hundred four".