7168681 has 8 divisors (see below), whose sum is σ = 8126720. Its totient is φ = 6268752.

The previous prime is 7168669. The next prime is 7168691. The reversal of 7168681 is 1868617.

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 7168681 - 2⁵ = 7168649 is a prime.

It is a super-2 number, since 2×7168681² = 102779974559522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7168681.

It is not an unprimeable number, because it can be changed into a prime (7168631) 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, 14265 + ... + 14758.

It is an arithmetic number, because the mean of its divisors is an integer number (1015840).

Almost surely, 2^7168681 is an apocalyptic number.

It is an amenable number.

7168681 is a deficient number, since it is larger than the sum of its proper divisors (958039).

7168681 is a wasteful number, since it uses less digits than its factorization.

7168681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29055.

The product of its digits is 16128, while the sum is 37.

The square root of 7168681 is about 2677.4392616827. The cubic root of 7168681 is about 192.8174869930.

The spelling of 7168681 in words is "seven million, one hundred sixty-eight thousand, six hundred eighty-one".