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6729741 = 325471367
BaseRepresentation
bin11001101011000000001101
3110122220110200
4121223000031
53210322431
6400124113
7111126144
oct31530015
913586420
106729741
113887177
122306639
1315181c5
14c7275b
158cdee6
hex66b00d

6729741 has 12 divisors (see below), whose sum is σ = 9745632. Its totient is φ = 4475016.

The previous prime is 6729727. The next prime is 6729787. The reversal of 6729741 is 1479276.

It is a happy number.

6729741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6729741 - 26 = 6729677 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6729696 and 6729705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729721) 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, 4240 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (812136).

Almost surely, 26729741 is an apocalyptic number.

6729741 is the 1641-st heptagonal number.

It is an amenable number.

6729741 is a deficient number, since it is larger than the sum of its proper divisors (3015891).

6729741 is a wasteful number, since it uses less digits than its factorization.

6729741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1917 counting only the distinct ones).

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

The square root of 6729741 is about 2594.1744351527. The cubic root of 6729741 is about 188.7988958598.

The spelling of 6729741 in words is "six million, seven hundred twenty-nine thousand, seven hundred forty-one".

Divisors: 1 3 9 547 1367 1641 4101 4923 12303 747749 2243247 6729741