7680740 has 24 divisors (see below), whose sum is σ = 16474752. Its totient is φ = 3006560.

The previous prime is 7680733. The next prime is 7680763. The reversal of 7680740 is 470867.

It is a junction number, because it is equal to n+sod(n) for n = 7680697 and 7680706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (686448).

Almost surely, 2^7680740 is an apocalyptic number.

It is an amenable number.

7680740 is an abundant number, since it is smaller than the sum of its proper divisors (8794012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7680740 is a wasteful number, since it uses less digits than its factorization.

7680740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7680740 is about 2771.4148011440. The cubic root of 7680740 is about 197.3033025378.

The spelling of 7680740 in words is "seven million, six hundred eighty thousand, seven hundred forty".