731064384 has 168 divisors, whose sum is σ = 2207849280. Its totient is φ = 230833152.

The previous prime is 731064359. The next prime is 731064391. The reversal of 731064384 is 483460137.

731064384 is a `hidden beast` number, since 7 + 3 + 1 + 0 + 643 + 8 + 4 = 666.

It is a super-3 number, since 3×731064384³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1841274 + ... + 1841670.

It is an arithmetic number, because the mean of its divisors is an integer number (13141960).

Almost surely, 2^731064384 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 731064384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103924640).

731064384 is an abundant number, since it is smaller than the sum of its proper divisors (1476784896).

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

731064384 is a wasteful number, since it uses less digits than its factorization.

731064384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 731064384 is about 27038.2023071061. The cubic root of 731064384 is about 900.8487400894.

The spelling of 731064384 in words is "seven hundred thirty-one million, sixty-four thousand, three hundred eighty-four".