7768940 has 24 divisors (see below), whose sum is σ = 17025120. Its totient is φ = 2972288.

The previous prime is 7768921. The next prime is 7768961. The reversal of 7768940 is 498677.

7768940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 7985 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (709380).

Almost surely, 2^7768940 is an apocalyptic number.

It is an amenable number.

7768940 is an abundant number, since it is smaller than the sum of its proper divisors (9256180).

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

7768940 is a wasteful number, since it uses less digits than its factorization.

7768940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921 (or 16919 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7768940 is about 2787.2818300272. The cubic root of 7768940 is about 198.0556589435.

The spelling of 7768940 in words is "seven million, seven hundred sixty-eight thousand, nine hundred forty".