9645673 has 4 divisors (see below), whose sum is σ = 10153360. Its totient is φ = 9137988.

The previous prime is 9645667. The next prime is 9645677. The reversal of 9645673 is 3765469.

9645673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 3765469 = 61 ⋅61729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9645673 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9645677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253815 + ... + 253852.

It is an arithmetic number, because the mean of its divisors is an integer number (2538340).

Almost surely, 2^9645673 is an apocalyptic number.

It is an amenable number.

9645673 is a deficient number, since it is larger than the sum of its proper divisors (507687).

9645673 is a wasteful number, since it uses less digits than its factorization.

9645673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507686.

The product of its digits is 136080, while the sum is 40.

The square root of 9645673 is about 3105.7483800205. The cubic root of 9645673 is about 212.8682279881.

The spelling of 9645673 in words is "nine million, six hundred forty-five thousand, six hundred seventy-three".