7783968 has 24 divisors (see below), whose sum is σ = 20433168. Its totient is φ = 2594624.

The previous prime is 7783967. The next prime is 7783987. The reversal of 7783968 is 8693877.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7783967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40446 + ... + 40637.

It is an arithmetic number, because the mean of its divisors is an integer number (851382).

Almost surely, 2^7783968 is an apocalyptic number.

It is an amenable number.

7783968 is an abundant number, since it is smaller than the sum of its proper divisors (12649200).

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

7783968 is a wasteful number, since it uses less digits than its factorization.

7783968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81096 (or 81088 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 7783968 is about 2789.9763439857. The cubic root of 7783968 is about 198.1832809598.

Subtracting 7783968 from its reverse (8693877), we obtain a palindrome (909909).

The spelling of 7783968 in words is "seven million, seven hundred eighty-three thousand, nine hundred sixty-eight".