731832768 has 168 divisors, whose sum is σ = 2249533728. Its totient is φ = 226879488.

The previous prime is 731832767. The next prime is 731832793. The reversal of 731832768 is 867238137.

731832768 is a `hidden beast` number, since 7 + 318 + 327 + 6 + 8 = 666.

731832768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731832763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489430 + ... + 490922.

Almost surely, 2^731832768 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 731832768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124766864).

731832768 is an abundant number, since it is smaller than the sum of its proper divisors (1517700960).

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

731832768 is a wasteful number, since it uses less digits than its factorization.

731832768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1558 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 731832768 is about 27052.4078041124. The cubic root of 731832768 is about 901.1642414342.

The spelling of 731832768 in words is "seven hundred thirty-one million, eight hundred thirty-two thousand, seven hundred sixty-eight".