8672081 has 16 divisors (see below), whose sum is σ = 9980928. Its totient is φ = 7458000.

The previous prime is 8672063. The next prime is 8672087. The reversal of 8672081 is 1802768.

It is not a de Polignac number, because 8672081 - 2¹⁰ = 8671057 is a prime.

It is a super-2 number, since 2×8672081² = 150409977741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8672087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38090 + ... + 38316.

It is an arithmetic number, because the mean of its divisors is an integer number (623808).

Almost surely, 2^8672081 is an apocalyptic number.

It is an amenable number.

8672081 is a deficient number, since it is larger than the sum of its proper divisors (1308847).

8672081 is a wasteful number, since it uses less digits than its factorization.

8672081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 8672081 is about 2944.8397239918. The cubic root of 8672081 is about 205.4507709208.

The spelling of 8672081 in words is "eight million, six hundred seventy-two thousand, eighty-one".