7289966 has 4 divisors (see below), whose sum is σ = 10934952. Its totient is φ = 3644982.

The previous prime is 7289959. The next prime is 7289987. The reversal of 7289966 is 6699827.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7289966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822490 + ... + 1822493.

It is an arithmetic number, because the mean of its divisors is an integer number (2733738).

Almost surely, 2^7289966 is an apocalyptic number.

7289966 is a deficient number, since it is larger than the sum of its proper divisors (3644986).

7289966 is a wasteful number, since it uses less digits than its factorization.

7289966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644985.

The product of its digits is 326592, while the sum is 47.

The square root of 7289966 is about 2699.9937036964. The cubic root of 7289966 is about 193.8988206589.

The spelling of 7289966 in words is "seven million, two hundred eighty-nine thousand, nine hundred sixty-six".