42168582 has 24 divisors (see below), whose sum is σ = 93595320. Its totient is φ = 13713120.

The previous prime is 42168563. The next prime is 42168601. The reversal of 42168582 is 28586124.

It is an interprime number because it is at equal distance from previous prime (42168563) and next prime (42168601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27832 + ... + 29307.

It is an arithmetic number, because the mean of its divisors is an integer number (3899805).

Almost surely, 2^42168582 is an apocalyptic number.

42168582 is an abundant number, since it is smaller than the sum of its proper divisors (51426738).

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

42168582 is a wasteful number, since it uses less digits than its factorization.

42168582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57188 (or 57185 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 42168582 is about 6493.7340567658. The cubic root of 42168582 is about 348.0671194358.

The spelling of 42168582 in words is "forty-two million, one hundred sixty-eight thousand, five hundred eighty-two".