6745969 has 16 divisors (see below), whose sum is σ = 7603200. Its totient is φ = 5954256.

The previous prime is 6745961. The next prime is 6745979. The reversal of 6745969 is 9695476.

It is a cyclic number.

It is not a de Polignac number, because 6745969 - 2³ = 6745961 is a prime.

It is a super-2 number, since 2×6745969² = 91016195497922, which contains 22 as substring.

It is a Duffinian number.

6745969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6745961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18612 + ... + 18970.

It is an arithmetic number, because the mean of its divisors is an integer number (475200).

Almost surely, 2^6745969 is an apocalyptic number.

It is an amenable number.

6745969 is a deficient number, since it is larger than the sum of its proper divisors (857231).

6745969 is a wasteful number, since it uses less digits than its factorization.

6745969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 408240, while the sum is 46.

The square root of 6745969 is about 2597.3003291880. The cubic root of 6745969 is about 188.9505296837.

It can be divided in two parts, 67459 and 69, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6745969 in words is "six million, seven hundred forty-five thousand, nine hundred sixty-nine".