734641409320 has 512 divisors, whose sum is σ = 2158445076480. Its totient is φ = 218698444800.

The previous prime is 734641409317. The next prime is 734641409321. The reversal of 734641409320 is 23904146437.

It is not an unprimeable number, because it can be changed into a prime (734641409321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2392968607 + ... + 2392968913.

It is an arithmetic number, because the mean of its divisors is an integer number (4215713040).

Almost surely, 2^734641409320 is an apocalyptic number.

734641409320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734641409320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079222538240).

734641409320 is an abundant number, since it is smaller than the sum of its proper divisors (1423803667160).

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

734641409320 is a wasteful number, since it uses less digits than its factorization.

734641409320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 734641409320 in words is "seven hundred thirty-four billion, six hundred forty-one million, four hundred nine thousand, three hundred twenty".