8073681 has 24 divisors (see below), whose sum is σ = 13663584. Its totient is φ = 4193280.

The previous prime is 8073647. The next prime is 8073749. The reversal of 8073681 is 1863708.

It is not a de Polignac number, because 8073681 - 2¹⁰ = 8072657 is a prime.

It is a super-2 number, since 2×8073681² = 130368649779522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8073641) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 880 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (569316).

Almost surely, 2^8073681 is an apocalyptic number.

It is an amenable number.

8073681 is a deficient number, since it is larger than the sum of its proper divisors (5589903).

8073681 is a wasteful number, since it uses less digits than its factorization.

8073681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8073681 is about 2841.4223550891. The cubic root of 8073681 is about 200.6121328885.

The spelling of 8073681 in words is "eight million, seventy-three thousand, six hundred eighty-one".