729073326 has 32 divisors (see below), whose sum is σ = 1469657088. Its totient is φ = 241113600.

The previous prime is 729073313. The next prime is 729073337. The reversal of 729073326 is 623370927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632851 + ... + 634001.

It is an arithmetic number, because the mean of its divisors is an integer number (45926784).

Almost surely, 2^729073326 is an apocalyptic number.

729073326 is an abundant number, since it is smaller than the sum of its proper divisors (740583762).

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

729073326 is a wasteful number, since it uses less digits than its factorization.

729073326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 729073326 is about 27001.3578547450. The cubic root of 729073326 is about 900.0301742970.

The spelling of 729073326 in words is "seven hundred twenty-nine million, seventy-three thousand, three hundred twenty-six".