729562901 has 2 divisors, whose sum is σ = 729562902. Its totient is φ = 729562900.

The previous prime is 729562879. The next prime is 729562903. The reversal of 729562901 is 109265927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729540100 + 22801 = 27010^2 + 151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729562901 is a prime.

It is a Sophie Germain prime.

Together with 729562903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729562903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364781450 + 364781451.

It is an arithmetic number, because the mean of its divisors is an integer number (364781451).

Almost surely, 2^729562901 is an apocalyptic number.

It is an amenable number.

729562901 is a deficient number, since it is larger than the sum of its proper divisors (1).

729562901 is an equidigital number, since it uses as much as digits as its factorization.

729562901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 729562901 is about 27010.4220811153. The cubic root of 729562901 is about 900.2315869053.

It can be divided in two parts, 72956 and 2901, that added together give a palindrome (75857).

The spelling of 729562901 in words is "seven hundred twenty-nine million, five hundred sixty-two thousand, nine hundred one".