729549001 has 4 divisors (see below), whose sum is σ = 738338832. Its totient is φ = 720759172.

The previous prime is 729548977. The next prime is 729549031. The reversal of 729549001 is 100945927.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 729549001 - 2⁷ = 729548873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729549031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394791 + ... + 4394956.

It is an arithmetic number, because the mean of its divisors is an integer number (184584708).

Almost surely, 2^729549001 is an apocalyptic number.

It is an amenable number.

729549001 is a deficient number, since it is larger than the sum of its proper divisors (8789831).

729549001 is an equidigital number, since it uses as much as digits as its factorization.

729549001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789830.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 729549001 is about 27010.1647718040. The cubic root of 729549001 is about 900.2258696470.

The spelling of 729549001 in words is "seven hundred twenty-nine million, five hundred forty-nine thousand, one".