7686131 has 8 divisors (see below), whose sum is σ = 8028720. Its totient is φ = 7348768.

The previous prime is 7686103. The next prime is 7686139. The reversal of 7686131 is 1316867.

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 7686131 - 2⁶ = 7686067 is a prime.

It is a super-2 number, since 2×7686131² = 118153219498322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7686139) 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, 1865 + ... + 4341.

It is an arithmetic number, because the mean of its divisors is an integer number (1003590).

Almost surely, 2^7686131 is an apocalyptic number.

7686131 is a deficient number, since it is larger than the sum of its proper divisors (342589).

7686131 is a wasteful number, since it uses less digits than its factorization.

7686131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

The product of its digits is 6048, while the sum is 32.

The square root of 7686131 is about 2772.3872384644. The cubic root of 7686131 is about 197.3494531841.

The spelling of 7686131 in words is "seven million, six hundred eighty-six thousand, one hundred thirty-one".