729655532 has 12 divisors (see below), whose sum is σ = 1279744200. Its totient is φ = 364014336.

The previous prime is 729655501. The next prime is 729655541. The reversal of 729655532 is 235556927.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201338 + ... + 204929.

It is an arithmetic number, because the mean of its divisors is an integer number (106645350).

Almost surely, 2^729655532 is an apocalyptic number.

It is an amenable number.

729655532 is a deficient number, since it is larger than the sum of its proper divisors (550088668).

729655532 is a wasteful number, since it uses less digits than its factorization.

729655532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406720 (or 406718 counting only the distinct ones).

The product of its digits is 567000, while the sum is 44.

The square root of 729655532 is about 27012.1367536891. The cubic root of 729655532 is about 900.2696854357.

The spelling of 729655532 in words is "seven hundred twenty-nine million, six hundred fifty-five thousand, five hundred thirty-two".