6735321 has 12 divisors (see below), whose sum is σ = 9753172. Its totient is φ = 4478976.

The previous prime is 6735319. The next prime is 6735341. The reversal of 6735321 is 1235376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 32400 = 2589^2 + 180^2 .

It is not a de Polignac number, because 6735321 - 2¹ = 6735319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6735301) 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 11 ways as a sum of consecutive naturals, for example, 4545 + ... + 5841.

Almost surely, 2^6735321 is an apocalyptic number.

It is an amenable number.

6735321 is a deficient number, since it is larger than the sum of its proper divisors (3017851).

6735321 is a wasteful number, since it uses less digits than its factorization.

6735321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1877 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 6735321 is about 2595.2496989693. The cubic root of 6735321 is about 188.8510626421.

Subtracting from 6735321 its reverse (1235376), we obtain a palindrome (5499945).

It can be divided in two parts, 6735 and 321, that added together give a square (7056 = 84²).

The spelling of 6735321 in words is "six million, seven hundred thirty-five thousand, three hundred twenty-one".