6748345 has 4 divisors (see below), whose sum is σ = 8098020. Its totient is φ = 5398672.

The previous prime is 6748333. The next prime is 6748349. The reversal of 6748345 is 5438476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 3636649 = 1764^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748345 - 2⁹ = 6747833 is a prime.

6748345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6748349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674830 + ... + 674839.

It is an arithmetic number, because the mean of its divisors is an integer number (2024505).

Almost surely, 2^6748345 is an apocalyptic number.

It is an amenable number.

6748345 is a deficient number, since it is larger than the sum of its proper divisors (1349675).

6748345 is a wasteful number, since it uses less digits than its factorization.

6748345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349674.

The product of its digits is 80640, while the sum is 37.

The square root of 6748345 is about 2597.7576869292. The cubic root of 6748345 is about 188.9727105229.

It can be divided in two parts, 67483 and 45, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6748345 in words is "six million, seven hundred forty-eight thousand, three hundred forty-five".