9575749 has 2 divisors, whose sum is σ = 9575750. Its totient is φ = 9575748.

The previous prime is 9575737. The next prime is 9575789. The reversal of 9575749 is 9475759.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 2122849 = 2730^2 + 1457^2 .

It is an emirp because it is prime and its reverse (9475759) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9575749 - 2⁵ = 9575717 is a prime.

It is a super-2 number, since 2×9575749² = 183389937822002, which contains 22 as substring.

It is an Ulam number.

9575749 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9575699 and 9575708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9575789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4787874 + 4787875.

It is an arithmetic number, because the mean of its divisors is an integer number (4787875).

Almost surely, 2^9575749 is an apocalyptic number.

It is an amenable number.

9575749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9575749 is an equidigital number, since it uses as much as digits as its factorization.

9575749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The square root of 9575749 is about 3094.4707140317. The cubic root of 9575749 is about 212.3526008955.

The spelling of 9575749 in words is "nine million, five hundred seventy-five thousand, seven hundred forty-nine".