7680705 has 8 divisors (see below), whose sum is σ = 12289152. Its totient is φ = 4096368.

The previous prime is 7680697. The next prime is 7680727. The reversal of 7680705 is 5070867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7680705 - 2³ = 7680697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256009 + ... + 256038.

It is an arithmetic number, because the mean of its divisors is an integer number (1536144).

Almost surely, 2^7680705 is an apocalyptic number.

It is an amenable number.

7680705 is a deficient number, since it is larger than the sum of its proper divisors (4608447).

7680705 is a wasteful number, since it uses less digits than its factorization.

7680705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512055.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 7680705 is about 2771.4084866724. The cubic root of 7680705 is about 197.3030028434.

It can be divided in two parts, 7680 and 705, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7680705 in words is "seven million, six hundred eighty thousand, seven hundred five".