729045801 has 12 divisors (see below), whose sum is σ = 1148799600. Its totient is φ = 441845880.

The previous prime is 729045797. The next prime is 729045803. The reversal of 729045801 is 108540927.

729045801 is a `hidden beast` number, since 72 + 9 + 0 + 4 + 580 + 1 = 666.

It is not a de Polignac number, because 729045801 - 2² = 729045797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729045803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3681951 + ... + 3682148.

It is an arithmetic number, because the mean of its divisors is an integer number (95733300).

Almost surely, 2^729045801 is an apocalyptic number.

It is an amenable number.

729045801 is a deficient number, since it is larger than the sum of its proper divisors (419753799).

729045801 is a wasteful number, since it uses less digits than its factorization.

729045801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364116 (or 7364113 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 729045801 is about 27000.8481533451. The cubic root of 729045801 is about 900.0188477534.

The spelling of 729045801 in words is "seven hundred twenty-nine million, forty-five thousand, eight hundred one".