5660749 has 2 divisors, whose sum is σ = 5660750. Its totient is φ = 5660748.

The previous prime is 5660731. The next prime is 5660761. The reversal of 5660749 is 9470665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4818025 + 842724 = 2195^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 5660749 - 2⁵ = 5660717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5660789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830374 + 2830375.

It is an arithmetic number, because the mean of its divisors is an integer number (2830375).

Almost surely, 2^5660749 is an apocalyptic number.

It is an amenable number.

5660749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660749 is an equidigital number, since it uses as much as digits as its factorization.

5660749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 5660749 is about 2379.2328595579. The cubic root of 5660749 is about 178.2206265648.

The spelling of 5660749 in words is "five million, six hundred sixty thousand, seven hundred forty-nine".