729190916 has 6 divisors (see below), whose sum is σ = 1276084110. Its totient is φ = 364595456.

The previous prime is 729190901. The next prime is 729190927. The reversal of 729190916 is 619091927.

It can be written as a sum of positive squares in only one way, i.e., 702462016 + 26728900 = 26504^2 + 5170^2 .

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 as a sum of consecutive naturals, namely, 91148861 + ... + 91148868.

It is an arithmetic number, because the mean of its divisors is an integer number (212680685).

Almost surely, 2^729190916 is an apocalyptic number.

It is an amenable number.

729190916 is a deficient number, since it is larger than the sum of its proper divisors (546893194).

729190916 is a wasteful number, since it uses less digits than its factorization.

729190916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182297733 (or 182297731 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 729190916 is about 27003.5352500372. The cubic root of 729190916 is about 900.0785593976.

The spelling of 729190916 in words is "seven hundred twenty-nine million, one hundred ninety thousand, nine hundred sixteen".