4745681 has 2 divisors, whose sum is σ = 4745682. Its totient is φ = 4745680.

The previous prime is 4745651. The next prime is 4745683. The reversal of 4745681 is 1865474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 982081 = 1940^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 4745681 - 2¹⁰ = 4744657 is a prime.

It is a super-2 number, since 2×4745681² = 45042976307522, which contains 22 as substring.

Together with 4745683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4745683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372840 + 2372841.

It is an arithmetic number, because the mean of its divisors is an integer number (2372841).

Almost surely, 2^4745681 is an apocalyptic number.

It is an amenable number.

4745681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745681 is an equidigital number, since it uses as much as digits as its factorization.

4745681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 4745681 is about 2178.4583998782. The cubic root of 4745681 is about 168.0478062173.

The spelling of 4745681 in words is "four million, seven hundred forty-five thousand, six hundred eighty-one".