42111766 has 8 divisors (see below), whose sum is σ = 63451584. Its totient is φ = 20961240.

The previous prime is 42111761. The next prime is 42111787. The reversal of 42111766 is 66711124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46765 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (7931448).

Almost surely, 2^42111766 is an apocalyptic number.

42111766 is a deficient number, since it is larger than the sum of its proper divisors (21339818).

42111766 is a wasteful number, since it uses less digits than its factorization.

42111766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94646.

The product of its digits is 2016, while the sum is 28.

The square root of 42111766 is about 6489.3579035217. The cubic root of 42111766 is about 347.9107259881.

The spelling of 42111766 in words is "forty-two million, one hundred eleven thousand, seven hundred sixty-six".