42333786 has 128 divisors (see below), whose sum is σ = 112435200. Its totient is φ = 11761200.

The previous prime is 42333763. The next prime is 42333787. The reversal of 42333786 is 68733324.

It is a self number, because there is not a number n which added to its sum of digits gives 42333786.

It is not an unprimeable number, because it can be changed into a prime (42333787) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1365591 + ... + 1365621.

It is an arithmetic number, because the mean of its divisors is an integer number (878400).

Almost surely, 2^42333786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42333786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56217600).

42333786 is an abundant number, since it is smaller than the sum of its proper divisors (70101414).

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

42333786 is a wasteful number, since it uses less digits than its factorization.

42333786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 66 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42333786 is about 6506.4418847785. The cubic root of 42333786 is about 348.5210683922.

The spelling of 42333786 in words is "forty-two million, three hundred thirty-three thousand, seven hundred eighty-six".