7326644 has 12 divisors (see below), whose sum is σ = 13808004. Its totient is φ = 3381504.

The previous prime is 7326619. The next prime is 7326661. The reversal of 7326644 is 4466237.

It can be written as a sum of positive squares in 2 ways, for example, as 2755600 + 4571044 = 1660^2 + 2138^2 .

It is a d-powerful number, because it can be written as 7⁶ + 3⁸ + 2 + 6⁷ + 6⁸ + 4¹⁰ + 4¹¹ .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7326644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70397 + ... + 70500.

It is an arithmetic number, because the mean of its divisors is an integer number (1150667).

Almost surely, 2^7326644 is an apocalyptic number.

It is an amenable number.

7326644 is a deficient number, since it is larger than the sum of its proper divisors (6481360).

7326644 is a wasteful number, since it uses less digits than its factorization.

7326644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140914 (or 140912 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 7326644 is about 2706.7774197374. Note that the first 3 decimals coincide. The cubic root of 7326644 is about 194.2234644655.

The spelling of 7326644 in words is "seven million, three hundred twenty-six thousand, six hundred forty-four".