7680775 has 12 divisors (see below), whose sum is σ = 9647200. Its totient is φ = 6065280.

The previous prime is 7680763. The next prime is 7680779. The reversal of 7680775 is 5770867.

It is not a de Polignac number, because 7680775 - 2²¹ = 5583623 is a prime.

7680775 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680779) 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, 31 + ... + 3919.

Almost surely, 2^7680775 is an apocalyptic number.

7680775 is a deficient number, since it is larger than the sum of its proper divisors (1966425).

7680775 is a wasteful number, since it uses less digits than its factorization.

7680775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978 (or 3973 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 7680775 is about 2771.4211156012. The cubic root of 7680775 is about 197.3036022314.

The spelling of 7680775 in words is "seven million, six hundred eighty thousand, seven hundred seventy-five".