2670687 has 24 divisors (see below), whose sum is σ = 4045184. Its totient is φ = 1696464.

The previous prime is 2670677. The next prime is 2670709. The reversal of 2670687 is 7860762.

It is not a de Polignac number, because 2670687 - 2¹¹ = 2668639 is a prime.

It is a Duffinian number.

2670687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670637) 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, 25878 + ... + 25980.

2^2670687 is an apocalyptic number.

2670687 is a deficient number, since it is larger than the sum of its proper divisors (1374497).

2670687 is a wasteful number, since it uses less digits than its factorization.

2670687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2670687 is about 1634.2236689021. The cubic root of 2670687 is about 138.7419084641.

The spelling of 2670687 in words is "two million, six hundred seventy thousand, six hundred eighty-seven".