7320985 has 32 divisors (see below), whose sum is σ = 10771200. Its totient is φ = 4665600.

The previous prime is 7320983. The next prime is 7320997. The reversal of 7320985 is 5890237.

7320985 = T₁₅₂ + T₁₅₃ + ... + T₃₆₁.

It is not a de Polignac number, because 7320985 - 2¹ = 7320983 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7320985.

It is not an unprimeable number, because it can be changed into a prime (7320983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67111 + ... + 67219.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

Almost surely, 2^7320985 is an apocalyptic number.

It is an amenable number.

7320985 is a deficient number, since it is larger than the sum of its proper divisors (3450215).

7320985 is a wasteful number, since it uses less digits than its factorization.

7320985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 7320985 is about 2705.7318788084. The cubic root of 7320985 is about 194.1734463997.

The spelling of 7320985 in words is "seven million, three hundred twenty thousand, nine hundred eighty-five".