42666696 has 64 divisors (see below), whose sum is σ = 120787200. Its totient is φ = 13950144.

The previous prime is 42666677. The next prime is 42666697. The reversal of 42666696 is 69666624.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42666697) 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, 9585 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (1887300).

Almost surely, 2^42666696 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 42666696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60393600).

42666696 is an abundant number, since it is smaller than the sum of its proper divisors (78120504).

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

42666696 is a wasteful number, since it uses less digits than its factorization.

42666696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795 (or 3785 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 42666696 is about 6531.9748927870. The cubic root of 42666696 is about 349.4322659727.

The spelling of 42666696 in words is "forty-two million, six hundred sixty-six thousand, six hundred ninety-six".