729494434 has 8 divisors (see below), whose sum is σ = 1094358528. Its totient is φ = 364708260.

The previous prime is 729494411. The next prime is 729494443. The reversal of 729494434 is 434494927.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 19639 + ... + 42949.

It is an arithmetic number, because the mean of its divisors is an integer number (136794816).

Almost surely, 2^729494434 is an apocalyptic number.

729494434 is a deficient number, since it is larger than the sum of its proper divisors (364864094).

729494434 is a wasteful number, since it uses less digits than its factorization.

729494434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38960.

The product of its digits is 870912, while the sum is 46.

The square root of 729494434 is about 27009.1546331980. The cubic root of 729494434 is about 900.2034247988.

The spelling of 729494434 in words is "seven hundred twenty-nine million, four hundred ninety-four thousand, four hundred thirty-four".