6734440642748 has 144 divisors (see below), whose sum is σ = 15389361792000. Its totient is φ = 2510300909952.

The previous prime is 6734440642747. The next prime is 6734440642751. The reversal of 6734440642748 is 8472460444376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734440642747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12640253 + ... + 13162251.

It is an arithmetic number, because the mean of its divisors is an integer number (106870568000).

Almost surely, 2^{6734440642748} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6734440642748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7694680896000).

6734440642748 is an abundant number, since it is smaller than the sum of its proper divisors (8654921149252).

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

6734440642748 is a wasteful number, since it uses less digits than its factorization.

6734440642748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522136 (or 522111 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 59.

The spelling of 6734440642748 in words is "six trillion, seven hundred thirty-four billion, four hundred forty million, six hundred forty-two thousand, seven hundred forty-eight".