729059242 has 16 divisors (see below), whose sum is σ = 1108857600. Its totient is φ = 359452080.

The previous prime is 729059239. The next prime is 729059341. The reversal of 729059242 is 242950927.

It is a super-2 number, since 2×729059242² = 1063054756691229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 729059195 and 729059204.

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 7 ways as a sum of consecutive naturals, for example, 142692 + ... + 147712.

It is an arithmetic number, because the mean of its divisors is an integer number (69303600).

Almost surely, 2^729059242 is an apocalyptic number.

729059242 is a deficient number, since it is larger than the sum of its proper divisors (379798358).

729059242 is a wasteful number, since it uses less digits than its factorization.

729059242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 729059242 is about 27001.0970517866. The cubic root of 729059242 is about 900.0243787635.

The spelling of 729059242 in words is "seven hundred twenty-nine million, fifty-nine thousand, two hundred forty-two".