7693668 has 18 divisors (see below), whose sum is σ = 19447974. Its totient is φ = 2564544.

The previous prime is 7693667. The next prime is 7693681. The reversal of 7693668 is 8663967.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 338724 = 2712^2 + 582^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (7693667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106821 + ... + 106892.

It is an arithmetic number, because the mean of its divisors is an integer number (1080443).

Almost surely, 2^7693668 is an apocalyptic number.

It is an amenable number.

7693668 is an abundant number, since it is smaller than the sum of its proper divisors (11754306).

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

7693668 is a wasteful number, since it uses less digits than its factorization.

7693668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213723 (or 213718 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 7693668 is about 2773.7462032421. The cubic root of 7693668 is about 197.4139388968.

Subtracting 7693668 from its reverse (8663967), we obtain a cube (970299 = 99³).

The spelling of 7693668 in words is "seven million, six hundred ninety-three thousand, six hundred sixty-eight".