7668193 has 4 divisors (see below), whose sum is σ = 8258068. Its totient is φ = 7078320.

The previous prime is 7668161. The next prime is 7668197. The reversal of 7668193 is 3918667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 5053504 = 1617^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 7668193 - 2⁵ = 7668161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7668197) 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, 294918 + ... + 294943.

It is an arithmetic number, because the mean of its divisors is an integer number (2064517).

Almost surely, 2^7668193 is an apocalyptic number.

It is an amenable number.

7668193 is a deficient number, since it is larger than the sum of its proper divisors (589875).

7668193 is a wasteful number, since it uses less digits than its factorization.

7668193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589874.

The product of its digits is 54432, while the sum is 40.

The square root of 7668193 is about 2769.1502306664. The cubic root of 7668193 is about 197.1958079578.

The spelling of 7668193 in words is "seven million, six hundred sixty-eight thousand, one hundred ninety-three".