729944750 has 16 divisors (see below), whose sum is σ = 1366457040. Its totient is φ = 291977800.

The previous prime is 729944749. The next prime is 729944773. The reversal of 729944750 is 57449927.

It is a junction number, because it is equal to n+sod(n) for n = 729944695 and 729944704.

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 7 ways as a sum of consecutive naturals, for example, 1459640 + ... + 1460139.

It is an arithmetic number, because the mean of its divisors is an integer number (85403565).

Almost surely, 2^729944750 is an apocalyptic number.

729944750 is a deficient number, since it is larger than the sum of its proper divisors (636512290).

729944750 is a wasteful number, since it uses less digits than its factorization.

729944750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919796 (or 2919786 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 729944750 is about 27017.4897057443. The cubic root of 729944750 is about 900.3886181795.

The spelling of 729944750 in words is "seven hundred twenty-nine million, nine hundred forty-four thousand, seven hundred fifty".