7940768 has 48 divisors (see below), whose sum is σ = 18071424. Its totient is φ = 3394560.

The previous prime is 7940761. The next prime is 7940771. The reversal of 7940768 is 8670497.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7940761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5321 + ... + 6647.

It is an arithmetic number, because the mean of its divisors is an integer number (376488).

Almost surely, 2^7940768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7940768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9035712).

7940768 is an abundant number, since it is smaller than the sum of its proper divisors (10130656).

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

7940768 is a wasteful number, since it uses less digits than its factorization.

7940768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1357 counting only the distinct ones).

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

The square root of 7940768 is about 2817.9368339266. The cubic root of 7940768 is about 199.5051767594.

The spelling of 7940768 in words is "seven million, nine hundred forty thousand, seven hundred sixty-eight".