2665670 has 32 divisors (see below), whose sum is σ = 5548608. Its totient is φ = 903168.

The previous prime is 2665669. The next prime is 2665687. The reversal of 2665670 is 765662.

2665670 is nontrivially palindromic in base 13.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7742 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

2^2665670 is an apocalyptic number.

2665670 is an abundant number, since it is smaller than the sum of its proper divisors (2882938).

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

2665670 is a wasteful number, since it uses less digits than its factorization.

2665670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2665670 is about 1632.6879677391. The cubic root of 2665670 is about 138.6549764656.

The spelling of 2665670 in words is "two million, six hundred sixty-five thousand, six hundred seventy".