6744247 has 4 divisors (see below), whose sum is σ = 6762240. Its totient is φ = 6726256.

The previous prime is 6744239. The next prime is 6744253. The reversal of 6744247 is 7424476.

6744247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6744247 - 2³ = 6744239 is a prime.

It is a Duffinian number.

6744247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744217) 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, 8422 + ... + 9187.

It is an arithmetic number, because the mean of its divisors is an integer number (1690560).

Almost surely, 2^6744247 is an apocalyptic number.

6744247 is a deficient number, since it is larger than the sum of its proper divisors (17993).

6744247 is a wasteful number, since it uses less digits than its factorization.

6744247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992.

The product of its digits is 37632, while the sum is 34.

The square root of 6744247 is about 2596.9688099783. The cubic root of 6744247 is about 188.9344509211.

The spelling of 6744247 in words is "six million, seven hundred forty-four thousand, two hundred forty-seven".