729934372 has 36 divisors (see below), whose sum is σ = 1390245444. Its totient is φ = 334172160.

The previous prime is 729934363. The next prime is 729934433. The reversal of 729934372 is 273439927.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 184525056 + 545409316 = 13584^2 + 23354^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89172 + ... + 97012.

It is an arithmetic number, because the mean of its divisors is an integer number (38617929).

Almost surely, 2^729934372 is an apocalyptic number.

It is an amenable number.

729934372 is a deficient number, since it is larger than the sum of its proper divisors (660311072).

729934372 is a wasteful number, since it uses less digits than its factorization.

729934372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936 (or 7897 counting only the distinct ones).

The product of its digits is 571536, while the sum is 46.

The square root of 729934372 is about 27017.2976442871. The cubic root of 729934372 is about 900.3843510633.

The spelling of 729934372 in words is "seven hundred twenty-nine million, nine hundred thirty-four thousand, three hundred seventy-two".