734934928128 has 72 divisors (see below), whose sum is σ = 1957530624000. Its totient is φ = 244786443264.

The previous prime is 734934928093. The next prime is 734934928139. The reversal of 734934928128 is 821829439437.

It is a super-5 number, since 5×734934928128⁵ (a number of 61 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608173 + ... + 1356371.

Almost surely, 2^734934928128 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 734934928128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978765312000).

734934928128 is an abundant number, since it is smaller than the sum of its proper divisors (1222595695872).

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

734934928128 is a wasteful number, since it uses less digits than its factorization.

734934928128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749497 (or 749483 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 734934928128 in words is "seven hundred thirty-four billion, nine hundred thirty-four million, nine hundred twenty-eight thousand, one hundred twenty-eight".