729323350 has 36 divisors (see below), whose sum is σ = 1578022884. Its totient is φ = 250052880.

The previous prime is 729323347. The next prime is 729323359. The reversal of 729323350 is 53323927.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729323359) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 146392 + ... + 151291.

It is an arithmetic number, because the mean of its divisors is an integer number (43833969).

Almost surely, 2^729323350 is an apocalyptic number.

729323350 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

729323350 is an abundant number, since it is smaller than the sum of its proper divisors (848699534).

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

729323350 is a wasteful number, since it uses less digits than its factorization.

729323350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297709 (or 297697 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 729323350 is about 27005.9872991157. The cubic root of 729323350 is about 900.1330461746.

The spelling of 729323350 in words is "seven hundred twenty-nine million, three hundred twenty-three thousand, three hundred fifty".