42537828 has 48 divisors (see below), whose sum is σ = 104993280. Its totient is φ = 13382400.

The previous prime is 42537821. The next prime is 42537829. The reversal of 42537828 is 82873524.

It is not an unprimeable number, because it can be changed into a prime (42537821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13858 + ... + 16646.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^42537828 is an apocalyptic number.

It is an amenable number.

42537828 is an abundant number, since it is smaller than the sum of its proper divisors (62455452).

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

42537828 is a wasteful number, since it uses less digits than its factorization.

42537828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 42537828 is about 6522.1030350647. The cubic root of 42537828 is about 349.0801095785.

It can be divided in two parts, 42537 and 828, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 42537828 in words is "forty-two million, five hundred thirty-seven thousand, eight hundred twenty-eight".