42082684 has 48 divisors (see below), whose sum is σ = 89752320. Its totient is φ = 16853760.

The previous prime is 42082679. The next prime is 42082693. The reversal of 42082684 is 48628024.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 100227 + ... + 100645.

It is an arithmetic number, because the mean of its divisors is an integer number (1869840).

Almost surely, 2^42082684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42082684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44876160).

42082684 is an abundant number, since it is smaller than the sum of its proper divisors (47669636).

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

42082684 is a wasteful number, since it uses less digits than its factorization.

42082684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 42082684 is about 6487.1167709546. The cubic root of 42082684 is about 347.8306195578.

The spelling of 42082684 in words is "forty-two million, eighty-two thousand, six hundred eighty-four".