9672641 has 4 divisors (see below), whose sum is σ = 10551984. Its totient is φ = 8793300.

The previous prime is 9672629. The next prime is 9672661. The reversal of 9672641 is 1462769.

9672641 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.

It is a cyclic number.

It is not a de Polignac number, because 9672641 - 2¹⁸ = 9410497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9672661) 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, 439655 + ... + 439676.

It is an arithmetic number, because the mean of its divisors is an integer number (2637996).

Almost surely, 2^9672641 is an apocalyptic number.

It is an amenable number.

9672641 is a deficient number, since it is larger than the sum of its proper divisors (879343).

9672641 is a wasteful number, since it uses less digits than its factorization.

9672641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879342.

The product of its digits is 18144, while the sum is 35.

The square root of 9672641 is about 3110.0869762757. The cubic root of 9672641 is about 213.0664270029.

The spelling of 9672641 in words is "nine million, six hundred seventy-two thousand, six hundred forty-one".