6749613 has 12 divisors (see below), whose sum is σ = 10499580. Its totient is φ = 4153536.

The previous prime is 6749593. The next prime is 6749621. The reversal of 6749613 is 3169476.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 5745609 = 1002^2 + 2397^2 .

It is not a de Polignac number, because 6749613 - 2¹² = 6745517 is a prime.

6749613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28728 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (874965).

Almost surely, 2^6749613 is an apocalyptic number.

It is an amenable number.

6749613 is a deficient number, since it is larger than the sum of its proper divisors (3749967).

6749613 is a wasteful number, since it uses less digits than its factorization.

6749613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57708 (or 57705 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 6749613 is about 2598.0017321010. The cubic root of 6749613 is about 188.9845456415.

The spelling of 6749613 in words is "six million, seven hundred forty-nine thousand, six hundred thirteen".