2070785 has 4 divisors (see below), whose sum is σ = 2484948. Its totient is φ = 1656624.

The previous prime is 2070781. The next prime is 2070793. The reversal of 2070785 is 5870702.

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

It can be written as a sum of positive squares in 2 ways, for example, as 734449 + 1336336 = 857^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070785 - 2² = 2070781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070781) 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, 207074 + ... + 207083.

It is an arithmetic number, because the mean of its divisors is an integer number (621237).

2^2070785 is an apocalyptic number.

It is an amenable number.

2070785 is a deficient number, since it is larger than the sum of its proper divisors (414163).

2070785 is an equidigital number, since it uses as much as digits as its factorization.

2070785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414162.

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

The square root of 2070785 is about 1439.0222374932. The cubic root of 2070785 is about 127.4612980060.

The spelling of 2070785 in words is "two million, seventy thousand, seven hundred eighty-five".