2716668 has 72 divisors (see below), whose sum is σ = 7626528. Its totient is φ = 811008.

The previous prime is 2716661. The next prime is 2716669. The reversal of 2716668 is 8666172.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2716661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13980 + ... + 14172.

It is an arithmetic number, because the mean of its divisors is an integer number (105924).

2^2716668 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 2716668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3813264).

2716668 is an abundant number, since it is smaller than the sum of its proper divisors (4909860).

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

2716668 is a wasteful number, since it uses less digits than its factorization.

2716668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2716668 is about 1648.2317798174. The cubic root of 2716668 is about 139.5336181358.

The spelling of 2716668 in words is "two million, seven hundred sixteen thousand, six hundred sixty-eight".