5661705 has 24 divisors (see below), whose sum is σ = 10539072. Its totient is φ = 2587872.

The previous prime is 5661683. The next prime is 5661713. The reversal of 5661705 is 5071665.

It is not a de Polignac number, because 5661705 - 2⁵ = 5661673 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3117 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (439128).

Almost surely, 2^5661705 is an apocalyptic number.

It is an amenable number.

5661705 is a deficient number, since it is larger than the sum of its proper divisors (4877367).

5661705 is a wasteful number, since it uses less digits than its factorization.

5661705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7718 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 5661705 is about 2379.4337561697. The cubic root of 5661705 is about 178.2306587665.

The spelling of 5661705 in words is "five million, six hundred sixty-one thousand, seven hundred five".