729697803 has 4 divisors (see below), whose sum is σ = 972930408. Its totient is φ = 486465200.

The previous prime is 729697789. The next prime is 729697807. The reversal of 729697803 is 308796927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308796927 = 3 ⋅102932309.

It is a cyclic number.

It is not a de Polignac number, because 729697803 - 2¹⁴ = 729681419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729697807) by changing a digit.

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, 121616298 + ... + 121616303.

It is an arithmetic number, because the mean of its divisors is an integer number (243232602).

Almost surely, 2^729697803 is an apocalyptic number.

729697803 is a deficient number, since it is larger than the sum of its proper divisors (243232605).

729697803 is a wasteful number, since it uses less digits than its factorization.

729697803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243232604.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 729697803 is about 27012.9191869372. The cubic root of 729697803 is about 900.2870701528.

The spelling of 729697803 in words is "seven hundred twenty-nine million, six hundred ninety-seven thousand, eight hundred three".