6729747 has 8 divisors (see below), whose sum is σ = 9003456. Its totient is φ = 4471272.

The previous prime is 6729727. The next prime is 6729787. The reversal of 6729747 is 7479276.

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

It is not a de Polignac number, because 6729747 - 2⁶ = 6729683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6729699 and 6729708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729727) 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, 2733 + ... + 4574.

It is an arithmetic number, because the mean of its divisors is an integer number (1125432).

Almost surely, 2^6729747 is an apocalyptic number.

6729747 is a deficient number, since it is larger than the sum of its proper divisors (2273709).

6729747 is a wasteful number, since it uses less digits than its factorization.

6729747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617.

The product of its digits is 148176, while the sum is 42.

The square root of 6729747 is about 2594.1755915897. The cubic root of 6729747 is about 188.7989519686.

The spelling of 6729747 in words is "six million, seven hundred twenty-nine thousand, seven hundred forty-seven".