2670287 has 4 divisors (see below), whose sum is σ = 2677080. Its totient is φ = 2663496.

The previous prime is 2670223. The next prime is 2670301. The reversal of 2670287 is 7820762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7820762 = 2 ⋅3910381.

It is a cyclic number.

It is not a de Polignac number, because 2670287 - 2⁶ = 2670223 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 (2600287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (669270).

2^2670287 is an apocalyptic number.

2670287 is a deficient number, since it is larger than the sum of its proper divisors (6793).

2670287 is an equidigital number, since it uses as much as digits as its factorization.

2670287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2670287 is about 1634.1012820508. The cubic root of 2670287 is about 138.7349814656.

The spelling of 2670287 in words is "two million, six hundred seventy thousand, two hundred eighty-seven".