7680845 has 16 divisors (see below), whose sum is σ = 9771840. Its totient is φ = 5779584.

The previous prime is 7680811. The next prime is 7680847. The reversal of 7680845 is 5480867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7680845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7680799 and 7680808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680847) 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 15 ways as a sum of consecutive naturals, for example, 21962 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (610740).

Almost surely, 2^7680845 is an apocalyptic number.

It is an amenable number.

7680845 is a deficient number, since it is larger than the sum of its proper divisors (2090995).

7680845 is a wasteful number, since it uses less digits than its factorization.

7680845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 7680845 is about 2771.4337444723. The cubic root of 7680845 is about 197.3042016158.

The spelling of 7680845 in words is "seven million, six hundred eighty thousand, eight hundred forty-five".