2066718 has 8 divisors (see below), whose sum is σ = 4133448. Its totient is φ = 688904.

The previous prime is 2066717. The next prime is 2066723. The reversal of 2066718 is 8176602.

It is a happy number.

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

2066718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066717) 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, 172221 + ... + 172232.

It is an arithmetic number, because the mean of its divisors is an integer number (516681).

2^2066718 is an apocalyptic number.

2066718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2066718 is a wasteful number, since it uses less digits than its factorization.

2066718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344458.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2066718 is about 1437.6084306931. The cubic root of 2066718 is about 127.3777991015.

The spelling of 2066718 in words is "two million, sixty-six thousand, seven hundred eighteen".