3706705 has 4 divisors (see below), whose sum is σ = 4448052. Its totient is φ = 2965360.

The previous prime is 3706679. The next prime is 3706723. The reversal of 3706705 is 5076073.

3706705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2047761 + 1658944 = 1431^2 + 1288^2 .

It is not a de Polignac number, because 3706705 - 2⁹ = 3706193 is a prime.

It is a Duffinian number.

3706705 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370666 + ... + 370675.

It is an arithmetic number, because the mean of its divisors is an integer number (1112013).

Almost surely, 2^3706705 is an apocalyptic number.

It is an amenable number.

3706705 is a deficient number, since it is larger than the sum of its proper divisors (741347).

3706705 is an equidigital number, since it uses as much as digits as its factorization.

3706705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741346.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 3706705 is about 1925.2804990442. The cubic root of 3706705 is about 154.7614088535.

The spelling of 3706705 in words is "three million, seven hundred six thousand, seven hundred five".