4717661 has 4 divisors (see below), whose sum is σ = 5080572. Its totient is φ = 4354752.

The previous prime is 4717651. The next prime is 4717667. The reversal of 4717661 is 1667174.

It is a happy number.

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 2785561 + 1932100 = 1669^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 4717661 - 2⁶ = 4717597 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 (4717667) 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, 181436 + ... + 181461.

It is an arithmetic number, because the mean of its divisors is an integer number (1270143).

Almost surely, 2^4717661 is an apocalyptic number.

It is an amenable number.

4717661 is a deficient number, since it is larger than the sum of its proper divisors (362911).

4717661 is a wasteful number, since it uses less digits than its factorization.

4717661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362910.

The product of its digits is 7056, while the sum is 32.

The square root of 4717661 is about 2172.0177255262. The cubic root of 4717661 is about 167.7164173703.

The spelling of 4717661 in words is "four million, seven hundred seventeen thousand, six hundred sixty-one".