2670787 has 4 divisors (see below), whose sum is σ = 3052336. Its totient is φ = 2289240.

The previous prime is 2670769. The next prime is 2670791. The reversal of 2670787 is 7870762.

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 2670787 - 2¹⁹ = 2146499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2670797) 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, 190764 + ... + 190777.

It is an arithmetic number, because the mean of its divisors is an integer number (763084).

2^2670787 is an apocalyptic number.

2670787 is a deficient number, since it is larger than the sum of its proper divisors (381549).

2670787 is an equidigital number, since it uses as much as digits as its factorization.

2670787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381548.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 2670787 is about 1634.2542641829. The cubic root of 2670787 is about 138.7436401056.

The spelling of 2670787 in words is "two million, six hundred seventy thousand, seven hundred eighty-seven".