7923680 has 24 divisors (see below), whose sum is σ = 18720072. Its totient is φ = 3169408.

The previous prime is 7923679. The next prime is 7923691. The reversal of 7923680 is 863297.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7923680.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24602 + ... + 24921.

It is an arithmetic number, because the mean of its divisors is an integer number (780003).

Almost surely, 2^7923680 is an apocalyptic number.

It is an amenable number.

7923680 is an abundant number, since it is smaller than the sum of its proper divisors (10796392).

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

7923680 is a wasteful number, since it uses less digits than its factorization.

7923680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49538 (or 49530 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7923680 is about 2814.9031954936. The cubic root of 7923680 is about 199.3619667322.

The spelling of 7923680 in words is "seven million, nine hundred twenty-three thousand, six hundred eighty".