9075749 has 4 divisors (see below), whose sum is σ = 9553440. Its totient is φ = 8598060.

The previous prime is 9075733. The next prime is 9075761. The reversal of 9075749 is 9475709.

It is a happy number.

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: 9475709 = 1033 ⋅9173.

It is a cyclic number.

It is not a de Polignac number, because 9075749 - 2⁴ = 9075733 is a prime.

It is a super-2 number, since 2×9075749² = 164738439822002, 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 (9075769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238817 + ... + 238854.

It is an arithmetic number, because the mean of its divisors is an integer number (2388360).

Almost surely, 2^9075749 is an apocalyptic number.

It is an amenable number.

9075749 is a deficient number, since it is larger than the sum of its proper divisors (477691).

9075749 is a wasteful number, since it uses less digits than its factorization.

9075749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477690.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 9075749 is about 3012.5983801363. The cubic root of 9075749 is about 208.5903240662.

The spelling of 9075749 in words is "nine million, seventy-five thousand, seven hundred forty-nine".