7122766 has 16 divisors (see below), whose sum is σ = 12509280. Its totient is φ = 2977920.

The previous prime is 7122763. The next prime is 7122769. The reversal of 7122766 is 6672217.

It is an interprime number because it is at equal distance from previous prime (7122763) and next prime (7122769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5631 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (781830).

Almost surely, 2^7122766 is an apocalyptic number.

7122766 is a deficient number, since it is larger than the sum of its proper divisors (5386514).

7122766 is a wasteful number, since it uses less digits than its factorization.

7122766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459.

The product of its digits is 7056, while the sum is 31.

The square root of 7122766 is about 2668.8510636602. The cubic root of 7122766 is about 192.4049432299.

The spelling of 7122766 in words is "seven million, one hundred twenty-two thousand, seven hundred sixty-six".