6744747 has 4 divisors (see below), whose sum is σ = 8993000. Its totient is φ = 4496496.

The previous prime is 6744667. The next prime is 6744757. The reversal of 6744747 is 7474476.

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

It is not a de Polignac number, because 6744747 - 2¹¹ = 6742699 is a prime.

It is a super-2 number, since 2×6744747² = 90983224188018, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6744757) 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, 1124122 + ... + 1124127.

It is an arithmetic number, because the mean of its divisors is an integer number (2248250).

Almost surely, 2^6744747 is an apocalyptic number.

6744747 is a deficient number, since it is larger than the sum of its proper divisors (2248253).

6744747 is a wasteful number, since it uses less digits than its factorization.

6744747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248252.

The product of its digits is 131712, while the sum is 39.

The square root of 6744747 is about 2597.0650742713. The cubic root of 6744747 is about 188.9391198333.

The spelling of 6744747 in words is "six million, seven hundred forty-four thousand, seven hundred forty-seven".