729076697 has 8 divisors (see below), whose sum is σ = 749360520. Its totient is φ = 709061760.

The previous prime is 729076687. The next prime is 729076717. The reversal of 729076697 is 796670927.

It can be written as a sum of positive squares in 4 ways, for example, as 18800896 + 710275801 = 4336^2 + 26651^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 729076697 - 2⁸ = 729076441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729076627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61718 + ... + 72575.

It is an arithmetic number, because the mean of its divisors is an integer number (93670065).

Almost surely, 2^729076697 is an apocalyptic number.

It is an amenable number.

729076697 is a deficient number, since it is larger than the sum of its proper divisors (20283823).

729076697 is a wasteful number, since it uses less digits than its factorization.

729076697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134443.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The square root of 729076697 is about 27001.4202774595. The cubic root of 729076697 is about 900.0315614446.

The spelling of 729076697 in words is "seven hundred twenty-nine million, seventy-six thousand, six hundred ninety-seven".