729805852 has 24 divisors (see below), whose sum is σ = 1356342624. Its totient is φ = 342408192.

The previous prime is 729805841. The next prime is 729805883. The reversal of 729805852 is 258508927.

It is a super-2 number, since 2×729805852² = 1065233163226891808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6993 + ... + 38839.

It is an arithmetic number, because the mean of its divisors is an integer number (56514276).

Almost surely, 2^729805852 is an apocalyptic number.

It is an amenable number.

729805852 is a deficient number, since it is larger than the sum of its proper divisors (626536772).

729805852 is a wasteful number, since it uses less digits than its factorization.

729805852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205 (or 32203 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 729805852 is about 27014.9190633620. The cubic root of 729805852 is about 900.3315042169.

It can be divided in two parts, 7298058 and 52, that added together give a triangular number (7298110 = T₃₈₂₀).

The spelling of 729805852 in words is "seven hundred twenty-nine million, eight hundred five thousand, eight hundred fifty-two".