9672905 has 16 divisors (see below), whose sum is σ = 12723264. Its totient is φ = 7001280.

The previous prime is 9672869. The next prime is 9672917. The reversal of 9672905 is 5092769.

It is not a de Polignac number, because 9672905 - 2⁶ = 9672841 is a prime.

It is a super-2 number, since 2×9672905² = 187130182278050, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21614 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (795204).

Almost surely, 2^9672905 is an apocalyptic number.

It is an amenable number.

9672905 is a deficient number, since it is larger than the sum of its proper divisors (3050359).

9672905 is a wasteful number, since it uses less digits than its factorization.

9672905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 9672905 is about 3110.1294185291. The cubic root of 9672905 is about 213.0683654265.

The spelling of 9672905 in words is "nine million, six hundred seventy-two thousand, nine hundred five".