729941056 has 28 divisors (see below), whose sum is σ = 1559899852. Its totient is φ = 336895488.

The previous prime is 729941033. The next prime is 729941059. The reversal of 729941056 is 650149927.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210830400 + 519110656 = 14520^2 + 22784^2 .

It is not an unprimeable number, because it can be changed into a prime (729941059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437835 + ... + 439498.

It is an arithmetic number, because the mean of its divisors is an integer number (55710709).

Almost surely, 2^729941056 is an apocalyptic number.

It is an amenable number.

729941056 is an abundant number, since it is smaller than the sum of its proper divisors (829958796).

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

729941056 is a wasteful number, since it uses less digits than its factorization.

729941056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877358 (or 877348 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 729941056 is about 27017.4213425338. The cubic root of 729941056 is about 900.3870993243.

The spelling of 729941056 in words is "seven hundred twenty-nine million, nine hundred forty-one thousand, fifty-six".