6744749 has 8 divisors (see below), whose sum is σ = 7430592. Its totient is φ = 6071040.

The previous prime is 6744667. The next prime is 6744757. The reversal of 6744749 is 9474476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6744749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (928824).

Almost surely, 2^6744749 is an apocalyptic number.

It is an amenable number.

6744749 is a deficient number, since it is larger than the sum of its proper divisors (685843).

6744749 is a wasteful number, since it uses less digits than its factorization.

6744749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067.

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

The square root of 6744749 is about 2597.0654593213. The cubic root of 6744749 is about 188.9391385085.

The spelling of 6744749 in words is "six million, seven hundred forty-four thousand, seven hundred forty-nine".