6744556 has 36 divisors (see below), whose sum is σ = 14791728. Its totient is φ = 2667168.

The previous prime is 6744539. The next prime is 6744557. The reversal of 6744556 is 6554476.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6744557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225 + ... + 3871.

Almost surely, 2^6744556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6744556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7395864).

6744556 is an abundant number, since it is smaller than the sum of its proper divisors (8047172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6744556 is a wasteful number, since it uses less digits than its factorization.

6744556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2669 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 6744556 is about 2597.0283017326. The cubic root of 6744556 is about 188.9373363361.

The spelling of 6744556 in words is "six million, seven hundred forty-four thousand, five hundred fifty-six".