734643936 has 144 divisors (see below), whose sum is σ = 2262012480. Its totient is φ = 224824320.

The previous prime is 734643919. The next prime is 734643941. The reversal of 734643936 is 639346437.

734643936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 734643891 and 734643900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894406 + ... + 895226.

It is an arithmetic number, because the mean of its divisors is an integer number (15708420).

Almost surely, 2^734643936 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 734643936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131006240).

734643936 is an abundant number, since it is smaller than the sum of its proper divisors (1527368544).

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

734643936 is a wasteful number, since it uses less digits than its factorization.

734643936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1078 counting only the distinct ones).

The product of its digits is 979776, while the sum is 45.

The square root of 734643936 is about 27104.3158187031. The cubic root of 734643936 is about 902.3166391610.

The spelling of 734643936 in words is "seven hundred thirty-four million, six hundred forty-three thousand, nine hundred thirty-six".