42108594 has 32 divisors (see below), whose sum is σ = 92563776. Its totient is φ = 12664320.

The previous prime is 42108593. The next prime is 42108601. The reversal of 42108594 is 49580124.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42108593) 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, 6714 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (2892618).

Almost surely, 2^42108594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42108594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46281888).

42108594 is an abundant number, since it is smaller than the sum of its proper divisors (50455182).

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

42108594 is a wasteful number, since it uses less digits than its factorization.

42108594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42108594 is about 6489.1134987762. The cubic root of 42108594 is about 347.9019904997.

The spelling of 42108594 in words is "forty-two million, one hundred eight thousand, five hundred ninety-four".