3575749 has 4 divisors (see below), whose sum is σ = 3583936. Its totient is φ = 3567564.

The previous prime is 3575707. The next prime is 3575771. The reversal of 3575749 is 9475753.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9475753 = 7 ⋅1353679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3575749 is a prime.

It is a super-2 number, since 2×3575749² = 25571961822002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3575449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (895984).

Almost surely, 2^3575749 is an apocalyptic number.

It is an amenable number.

3575749 is a deficient number, since it is larger than the sum of its proper divisors (8187).

3575749 is an equidigital number, since it uses as much as digits as its factorization.

3575749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186.

The product of its digits is 132300, while the sum is 40.

The square root of 3575749 is about 1890.9650975097. The cubic root of 3575749 is about 152.9169669216.

The spelling of 3575749 in words is "three million, five hundred seventy-five thousand, seven hundred forty-nine".