2078705 has 8 divisors (see below), whose sum is σ = 2575104. Its totient is φ = 1609200.

The previous prime is 2078693. The next prime is 2078707. The reversal of 2078705 is 5078702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2078705 - 2⁸ = 2078449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6551 + ... + 6860.

It is an arithmetic number, because the mean of its divisors is an integer number (321888).

2^2078705 is an apocalyptic number.

It is an amenable number.

2078705 is a deficient number, since it is larger than the sum of its proper divisors (496399).

2078705 is a wasteful number, since it uses less digits than its factorization.

2078705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 2078705 is about 1441.7714798122. The cubic root of 2078705 is about 127.6235889933.

The spelling of 2078705 in words is "two million, seventy-eight thousand, seven hundred five".