7926681 has 12 divisors (see below), whose sum is σ = 12294672. Its totient is φ = 4529448.

The previous prime is 7926673. The next prime is 7926701. The reversal of 7926681 is 1866297.

7926681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7926681 - 2³ = 7926673 is a prime.

It is a super-2 number, since 2×7926681² = 125664543351522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7926601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26815 + ... + 27108.

It is an arithmetic number, because the mean of its divisors is an integer number (1024556).

Almost surely, 2^7926681 is an apocalyptic number.

It is an amenable number.

7926681 is a deficient number, since it is larger than the sum of its proper divisors (4367991).

7926681 is a wasteful number, since it uses less digits than its factorization.

7926681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53940 (or 53933 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 7926681 is about 2815.4362006623. The cubic root of 7926681 is about 199.3871322170.

The spelling of 7926681 in words is "seven million, nine hundred twenty-six thousand, six hundred eighty-one".