42537560 has 64 divisors (see below), whose sum is σ = 103874400. Its totient is φ = 15584256.

The previous prime is 42537503. The next prime is 42537581. The reversal of 42537560 is 6573524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92852 + ... + 93308.

Almost surely, 2^42537560 is an apocalyptic number.

42537560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42537560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51937200).

42537560 is an abundant number, since it is smaller than the sum of its proper divisors (61336840).

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

42537560 is a wasteful number, since it uses less digits than its factorization.

42537560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42537560 is about 6522.0824895121. The cubic root of 42537560 is about 349.0793764768.

The spelling of 42537560 in words is "forty-two million, five hundred thirty-seven thousand, five hundred sixty".