7680429 has 12 divisors (see below), whose sum is σ = 11143132. Its totient is φ = 5097600.

The previous prime is 7680419. The next prime is 7680437. The reversal of 7680429 is 9240867.

It can be written as a sum of positive squares in 2 ways, for example, as 4536900 + 3143529 = 2130^2 + 1773^2 .

It is not a de Polignac number, because 7680429 - 2⁸ = 7680173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7680393 and 7680402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680419) 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 11 ways as a sum of consecutive naturals, for example, 399 + ... + 3939.

Almost surely, 2^7680429 is an apocalyptic number.

It is an amenable number.

7680429 is a deficient number, since it is larger than the sum of its proper divisors (3462703).

7680429 is a wasteful number, since it uses less digits than its factorization.

7680429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7680429 is about 2771.3586920498. The cubic root of 7680429 is about 197.3006395064.

The spelling of 7680429 in words is "seven million, six hundred eighty thousand, four hundred twenty-nine".