6744947 has 4 divisors (see below), whose sum is σ = 7358136. Its totient is φ = 6131760.

The previous prime is 6744931. The next prime is 6744961. The reversal of 6744947 is 7494476.

It is a happy number.

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 6744947 - 2⁴ = 6744931 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6744967) 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, 306578 + ... + 306599.

It is an arithmetic number, because the mean of its divisors is an integer number (1839534).

Almost surely, 2^6744947 is an apocalyptic number.

6744947 is a deficient number, since it is larger than the sum of its proper divisors (613189).

6744947 is a wasteful number, since it uses less digits than its factorization.

6744947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613188.

The product of its digits is 169344, while the sum is 41.

The square root of 6744947 is about 2597.1035789895. The cubic root of 6744947 is about 188.9409873336.

The spelling of 6744947 in words is "six million, seven hundred forty-four thousand, nine hundred forty-seven".