716430401 has 4 divisors (see below), whose sum is σ = 716512212. Its totient is φ = 716348592.

The previous prime is 716430389. The next prime is 716430409. The reversal of 716430401 is 104034617.

716430401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231770176 + 484660225 = 15224^2 + 22015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716430401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716430409) 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, 25946 + ... + 45891.

It is an arithmetic number, because the mean of its divisors is an integer number (179128053).

Almost surely, 2^716430401 is an apocalyptic number.

It is an amenable number.

716430401 is a deficient number, since it is larger than the sum of its proper divisors (81811).

716430401 is an equidigital number, since it uses as much as digits as its factorization.

716430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81810.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 716430401 is about 26766.2175325540. The cubic root of 716430401 is about 894.7973079066.

The spelling of 716430401 in words is "seven hundred sixteen million, four hundred thirty thousand, four hundred one".