729554042 has 12 divisors (see below), whose sum is σ = 1272997530. Its totient is φ = 312665976.

The previous prime is 729554017. The next prime is 729554051. The reversal of 729554042 is 240455927.

It can be written as a sum of positive squares in only one way, i.e., 716151121 + 13402921 = 26761^2 + 3661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 729553987 and 729554005.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3722117 + ... + 3722312.

Almost surely, 2^729554042 is an apocalyptic number.

729554042 is a deficient number, since it is larger than the sum of its proper divisors (543443488).

729554042 is a wasteful number, since it uses less digits than its factorization.

729554042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444445 (or 7444438 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 729554042 is about 27010.2580883634. The cubic root of 729554042 is about 900.2279430870.

The spelling of 729554042 in words is "seven hundred twenty-nine million, five hundred fifty-four thousand, forty-two".