6744997 has 6 divisors (see below), whose sum is σ = 7846278. Its totient is φ = 5781384.

The previous prime is 6744979. The next prime is 6745001. The reversal of 6744997 is 7994476.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 1147041 = 2366^2 + 1071^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6744997 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 (6744967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68778 + ... + 68875.

It is an arithmetic number, because the mean of its divisors is an integer number (1307713).

Almost surely, 2^6744997 is an apocalyptic number.

It is an amenable number.

6744997 is a deficient number, since it is larger than the sum of its proper divisors (1101281).

6744997 is a wasteful number, since it uses less digits than its factorization.

6744997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137667 (or 137660 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 6744997 is about 2597.1132050798. The cubic root of 6744997 is about 188.9414542029.

It can be divided in two parts, 674 and 4997, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 6744997 in words is "six million, seven hundred forty-four thousand, nine hundred ninety-seven".