7680931 has 4 divisors (see below), whose sum is σ = 7695000. Its totient is φ = 7666864.

The previous prime is 7680929. The next prime is 7680973. The reversal of 7680931 is 1390867.

7680931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1390867 = 37 ⋅37591.

It is a cyclic number.

It is not a de Polignac number, because 7680931 - 2¹ = 7680929 is a prime.

It is a super-2 number, since 2×7680931² = 117993402053522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680131) 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 3 ways as a sum of consecutive naturals, for example, 6181 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (1923750).

Almost surely, 2^7680931 is an apocalyptic number.

7680931 is a deficient number, since it is larger than the sum of its proper divisors (14069).

7680931 is a wasteful number, since it uses less digits than its factorization.

7680931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14068.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7680931 is about 2771.4492598639. The cubic root of 7680931 is about 197.3049379974.

Subtracting from 7680931 its reverse (1390867), we obtain a square (6290064 = 2508²).

The spelling of 7680931 in words is "seven million, six hundred eighty thousand, nine hundred thirty-one".