6729448 has 16 divisors (see below), whose sum is σ = 13764960. Its totient is φ = 3058800.

The previous prime is 6729427. The next prime is 6729461. The reversal of 6729448 is 8449276.

It is a self number, because there is not a number n which added to its sum of digits gives 6729448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38148 + ... + 38323.

It is an arithmetic number, because the mean of its divisors is an integer number (860310).

Almost surely, 2^6729448 is an apocalyptic number.

It is an amenable number.

6729448 is an abundant number, since it is smaller than the sum of its proper divisors (7035512).

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

6729448 is a wasteful number, since it uses less digits than its factorization.

6729448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76488 (or 76484 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 6729448 is about 2594.1179618514. The cubic root of 6729448 is about 188.7961558396.

The spelling of 6729448 in words is "six million, seven hundred twenty-nine thousand, four hundred forty-eight".