734350545520 has 80 divisors (see below), whose sum is σ = 1733372771328. Its totient is φ = 289299548160.

The previous prime is 734350545473. The next prime is 734350545569. The reversal of 734350545520 is 25545053437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128130 + ... + 1655710.

Almost surely, 2^734350545520 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 734350545520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866686385664).

734350545520 is an abundant number, since it is smaller than the sum of its proper divisors (999022225808).

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

734350545520 is a wasteful number, since it uses less digits than its factorization.

734350545520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527858 (or 527852 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 43.

Adding to 734350545520 its reverse (25545053437), we get a palindrome (759895598957).

The spelling of 734350545520 in words is "seven hundred thirty-four billion, three hundred fifty million, five hundred forty-five thousand, five hundred twenty".