7207866 has 24 divisors (see below), whose sum is σ = 16196544. Its totient is φ = 2402460.

The previous prime is 7207861. The next prime is 7207867. The reversal of 7207866 is 6687027.

It is a self number, because there is not a number n which added to its sum of digits gives 7207866.

It is not an unprimeable number, because it can be changed into a prime (7207861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6930 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (674856).

Almost surely, 2^7207866 is an apocalyptic number.

7207866 is an abundant number, since it is smaller than the sum of its proper divisors (8988678).

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

7207866 is a wasteful number, since it uses less digits than its factorization.

7207866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848 (or 14836 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7207866 is about 2684.7469154466. The cubic root of 7207866 is about 193.1681711387.

The spelling of 7207866 in words is "seven million, two hundred seven thousand, eight hundred sixty-six".