2670247 has 4 divisors (see below), whose sum is σ = 2756416. Its totient is φ = 2584080.

The previous prime is 2670223. The next prime is 2670301. The reversal of 2670247 is 7420762.

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

It is a cyclic number.

It is not a de Polignac number, because 2670247 - 2¹¹ = 2668199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2674247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43038 + ... + 43099.

It is an arithmetic number, because the mean of its divisors is an integer number (689104).

2^2670247 is an apocalyptic number.

2670247 is a deficient number, since it is larger than the sum of its proper divisors (86169).

2670247 is an equidigital number, since it uses as much as digits as its factorization.

2670247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86168.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2670247 is about 1634.0890428615. The cubic root of 2670247 is about 138.7342887277.

The spelling of 2670247 in words is "two million, six hundred seventy thousand, two hundred forty-seven".