4705661 has 4 divisors (see below), whose sum is σ = 4710012. Its totient is φ = 4701312.

The previous prime is 4705637. The next prime is 4705669. The reversal of 4705661 is 1665074.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 1836025 = 1694^2 + 1355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4705661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4705669) 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, 851 + ... + 3183.

It is an arithmetic number, because the mean of its divisors is an integer number (1177503).

Almost surely, 2^4705661 is an apocalyptic number.

It is an amenable number.

4705661 is a deficient number, since it is larger than the sum of its proper divisors (4351).

4705661 is a wasteful number, since it uses less digits than its factorization.

4705661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4705661 is about 2169.2535582545. The cubic root of 4705661 is about 167.5740936029.

The spelling of 4705661 in words is "four million, seven hundred five thousand, six hundred sixty-one".