6741729 has 6 divisors (see below), whose sum is σ = 9738066. Its totient is φ = 4494480.

The previous prime is 6741719. The next prime is 6741767. The reversal of 6741729 is 9271476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 2331729 = 2100^2 + 1527^2 .

It is not a de Polignac number, because 6741729 - 2¹⁹ = 6217441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6741693 and 6741702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6741719) 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, 374532 + ... + 374549.

It is an arithmetic number, because the mean of its divisors is an integer number (1623011).

Almost surely, 2^6741729 is an apocalyptic number.

It is an amenable number.

6741729 is a deficient number, since it is larger than the sum of its proper divisors (2996337).

6741729 is a wasteful number, since it uses less digits than its factorization.

6741729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749087 (or 749084 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6741729 is about 2596.4839687547. The cubic root of 6741729 is about 188.9109347715.

The spelling of 6741729 in words is "six million, seven hundred forty-one thousand, seven hundred twenty-nine".