6729259734 has 64 divisors (see below), whose sum is σ = 15203842560. Its totient is φ = 2205900000.

The previous prime is 6729259729. The next prime is 6729259781. The reversal of 6729259734 is 4379529276.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819469 + ... + 827639.

It is an arithmetic number, because the mean of its divisors is an integer number (237560040).

Almost surely, 2^6729259734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6729259734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7601921280).

6729259734 is an abundant number, since it is smaller than the sum of its proper divisors (8474582826).

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

6729259734 is a wasteful number, since it uses less digits than its factorization.

6729259734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434 (or 8428 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 6729259734 is about 82032.0652793772. The cubic root of 6729259734 is about 1887.9439520836.

The spelling of 6729259734 in words is "six billion, seven hundred twenty-nine million, two hundred fifty-nine thousand, seven hundred thirty-four".