7205668 has 24 divisors (see below), whose sum is σ = 13177080. Its totient is φ = 3444480.

The previous prime is 7205657. The next prime is 7205687. The reversal of 7205668 is 8665027.

It can be written as a sum of positive squares in 4 ways, for example, as 487204 + 6718464 = 698^2 + 2592^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 8278 + ... + 9106.

It is an arithmetic number, because the mean of its divisors is an integer number (549045).

Almost surely, 2^7205668 is an apocalyptic number.

It is an amenable number.

7205668 is a deficient number, since it is larger than the sum of its proper divisors (5971412).

7205668 is a wasteful number, since it uses less digits than its factorization.

7205668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 7205668 is about 2684.3375346629. The cubic root of 7205668 is about 193.1485339439.

The spelling of 7205668 in words is "seven million, two hundred five thousand, six hundred sixty-eight".