42066718 has 8 divisors (see below), whose sum is σ = 63597312. Its totient is φ = 20867616.

The previous prime is 42066707. The next prime is 42066751. The reversal of 42066718 is 81766024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82555 + ... + 83062.

It is an arithmetic number, because the mean of its divisors is an integer number (7949664).

Almost surely, 2^42066718 is an apocalyptic number.

42066718 is a deficient number, since it is larger than the sum of its proper divisors (21530594).

42066718 is a wasteful number, since it uses less digits than its factorization.

42066718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165746.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42066718 is about 6485.8860612872. The cubic root of 42066718 is about 347.7866254838.

The spelling of 42066718 in words is "forty-two million, sixty-six thousand, seven hundred eighteen".