9113749 has 8 divisors (see below), whose sum is σ = 9688640. Its totient is φ = 8548416.

The previous prime is 9113737. The next prime is 9113759. The reversal of 9113749 is 9473119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9113749 is a prime.

It is a Duffinian number.

9113749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (1211080).

Almost surely, 2^9113749 is an apocalyptic number.

It is an amenable number.

9113749 is a deficient number, since it is larger than the sum of its proper divisors (574891).

9113749 is a wasteful number, since it uses less digits than its factorization.

9113749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779.

The product of its digits is 6804, while the sum is 34.

The square root of 9113749 is about 3018.8986402329. The cubic root of 9113749 is about 208.8810400304.

The spelling of 9113749 in words is "nine million, one hundred thirteen thousand, seven hundred forty-nine".