2790705 has 16 divisors (see below), whose sum is σ = 4659840. Its totient is φ = 1423488.

The previous prime is 2790679. The next prime is 2790707. The reversal of 2790705 is 5070972.

It is a happy number.

It is not a de Polignac number, because 2790705 - 2⁵ = 2790673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3700 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (291240).

2^2790705 is an apocalyptic number.

It is an amenable number.

2790705 is a deficient number, since it is larger than the sum of its proper divisors (1869135).

2790705 is a wasteful number, since it uses less digits than its factorization.

2790705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 2790705 is about 1670.5403317490. The cubic root of 2790705 is about 140.7898383087.

The spelling of 2790705 in words is "two million, seven hundred ninety thousand, seven hundred five".