9168745 has 4 divisors (see below), whose sum is σ = 11002500. Its totient is φ = 7334992.

The previous prime is 9168739. The next prime is 9168767. The reversal of 9168745 is 5478619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5478619 = 877 ⋅6247.

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 3984016 = 2277^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 9168745 - 2³ = 9168737 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9168698 and 9168707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916870 + ... + 916879.

It is an arithmetic number, because the mean of its divisors is an integer number (2750625).

Almost surely, 2^9168745 is an apocalyptic number.

It is an amenable number.

9168745 is a deficient number, since it is larger than the sum of its proper divisors (1833755).

9168745 is a wasteful number, since it uses less digits than its factorization.

9168745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833754.

The product of its digits is 60480, while the sum is 40.

The square root of 9168745 is about 3027.9935600988. The cubic root of 9168745 is about 209.3003549164.

The spelling of 9168745 in words is "nine million, one hundred sixty-eight thousand, seven hundred forty-five".