2680066 has 4 divisors (see below), whose sum is σ = 4020102. Its totient is φ = 1340032.

The previous prime is 2680039. The next prime is 2680079. The reversal of 2680066 is 6600862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 342225 = 1529^2 + 585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670015 + ... + 670018.

2^2680066 is an apocalyptic number.

2680066 is a deficient number, since it is larger than the sum of its proper divisors (1340036).

2680066 is a wasteful number, since it uses less digits than its factorization.

2680066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340035.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2680066 is about 1637.0907122087. The cubic root of 2680066 is about 138.9041313997.

The spelling of 2680066 in words is "two million, six hundred eighty thousand, sixty-six".