7320626 has 12 divisors (see below), whose sum is σ = 11226318. Its totient is φ = 3580272.

The previous prime is 7320623. The next prime is 7320637. The reversal of 7320626 is 6260237.

It can be written as a sum of positive squares in only one way, i.e., 6682225 + 638401 = 2585^2 + 799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7320595 and 7320604.

It is not an unprimeable number, because it can be changed into a prime (7320623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3590 + ... + 5246.

Almost surely, 2^7320626 is an apocalyptic number.

7320626 is a deficient number, since it is larger than the sum of its proper divisors (3905692).

7320626 is a wasteful number, since it uses less digits than its factorization.

7320626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 7320626 is about 2705.6655373494. The cubic root of 7320626 is about 194.1702724458.

The spelling of 7320626 in words is "seven million, three hundred twenty thousand, six hundred twenty-six".