6729340 has 24 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 2574528.

The previous prime is 6729329. The next prime is 6729341. The reversal of 6729340 is 439276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729341) 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, 6855 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

Almost surely, 2^6729340 is an apocalyptic number.

It is an amenable number.

6729340 is an abundant number, since it is smaller than the sum of its proper divisors (8017700).

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

6729340 is a wasteful number, since it uses less digits than its factorization.

6729340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14661 (or 14659 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6729340 is about 2594.0971454439. The cubic root of 6729340 is about 188.7951458462.

Subtracting from 6729340 its reverse (439276), we obtain a square (6290064 = 2508²).

The spelling of 6729340 in words is "six million, seven hundred twenty-nine thousand, three hundred forty".