729551324 has 24 divisors (see below), whose sum is σ = 1285509120. Its totient is φ = 362272176.

The previous prime is 729551323. The next prime is 729551353. The reversal of 729551324 is 423155927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729551323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464789 + ... + 466355.

It is an arithmetic number, because the mean of its divisors is an integer number (53562880).

Almost surely, 2^729551324 is an apocalyptic number.

It is an amenable number.

729551324 is a deficient number, since it is larger than the sum of its proper divisors (555957796).

729551324 is a wasteful number, since it uses less digits than its factorization.

729551324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2295 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 729551324 is about 27010.2077740990. The cubic root of 729551324 is about 900.2268251335.

The spelling of 729551324 in words is "seven hundred twenty-nine million, five hundred fifty-one thousand, three hundred twenty-four".