9672815 has 4 divisors (see below), whose sum is σ = 11607384. Its totient is φ = 7738248.

The previous prime is 9672791. The next prime is 9672823. The reversal of 9672815 is 5182769.

9672815 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 9672815 - 2¹⁰ = 9671791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967277 + ... + 967286.

It is an arithmetic number, because the mean of its divisors is an integer number (2901846).

Almost surely, 2^9672815 is an apocalyptic number.

9672815 is a deficient number, since it is larger than the sum of its proper divisors (1934569).

9672815 is a wasteful number, since it uses less digits than its factorization.

9672815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934568.

The product of its digits is 30240, while the sum is 38.

The square root of 9672815 is about 3110.1149496441. The cubic root of 9672815 is about 213.0677046042.

The spelling of 9672815 in words is "nine million, six hundred seventy-two thousand, eight hundred fifteen".