42326566 has 16 divisors (see below), whose sum is σ = 70763760. Its totient is φ = 18869760.

The previous prime is 42326551. The next prime is 42326569. The reversal of 42326566 is 66562324.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42326569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32115 + ... + 33406.

It is an arithmetic number, because the mean of its divisors is an integer number (4422735).

Almost surely, 2^42326566 is an apocalyptic number.

42326566 is a deficient number, since it is larger than the sum of its proper divisors (28437194).

42326566 is a wasteful number, since it uses less digits than its factorization.

42326566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65559.

The product of its digits is 51840, while the sum is 34.

The square root of 42326566 is about 6505.8870263785. The cubic root of 42326566 is about 348.5012539176.

The spelling of 42326566 in words is "forty-two million, three hundred twenty-six thousand, five hundred sixty-six".