9672581 has 8 divisors (see below), whose sum is σ = 10150080. Its totient is φ = 9199872.

The previous prime is 9672557. The next prime is 9672617. The reversal of 9672581 is 1852769.

9672581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9672581 - 2¹⁸ = 9410437 is a prime.

It is a super-2 number, since 2×9672581² = 187117646403122, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9672511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (1268760).

Almost surely, 2^9672581 is an apocalyptic number.

It is an amenable number.

9672581 is a deficient number, since it is larger than the sum of its proper divisors (477499).

9672581 is a wasteful number, since it uses less digits than its factorization.

9672581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395.

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

The square root of 9672581 is about 3110.0773302283. The cubic root of 9672581 is about 213.0659864472.

The spelling of 9672581 in words is "nine million, six hundred seventy-two thousand, five hundred eighty-one".