6745547 has 4 divisors (see below), whose sum is σ = 6781056. Its totient is φ = 6710040.

The previous prime is 6745523. The next prime is 6745553. The reversal of 6745547 is 7455476.

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

It is a cyclic number.

It is not a de Polignac number, because 6745547 - 2⁶ = 6745483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6745547.

It is not an unprimeable number, because it can be changed into a prime (6745517) 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, 17468 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (1695264).

Almost surely, 2^6745547 is an apocalyptic number.

6745547 is a deficient number, since it is larger than the sum of its proper divisors (35509).

6745547 is a wasteful number, since it uses less digits than its factorization.

6745547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35508.

The product of its digits is 117600, while the sum is 38.

The square root of 6745547 is about 2597.2190897188. The cubic root of 6745547 is about 188.9465896129.

The spelling of 6745547 in words is "six million, seven hundred forty-five thousand, five hundred forty-seven".