716688001 has 4 divisors (see below), whose sum is σ = 717975252. Its totient is φ = 715400752.

The previous prime is 716687957. The next prime is 716688019. The reversal of 716688001 is 100886617.

716688001 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 241491600 + 475196401 = 15540^2 + 21799^2 .

It is a cyclic number.

It is not a de Polignac number, because 716688001 - 2¹¹ = 716685953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716688061) 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, 642790 + ... + 643903.

It is an arithmetic number, because the mean of its divisors is an integer number (179493813).

Almost surely, 2^716688001 is an apocalyptic number.

It is an amenable number.

716688001 is a deficient number, since it is larger than the sum of its proper divisors (1287251).

716688001 is a wasteful number, since it uses less digits than its factorization.

716688001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287250.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 716688001 is about 26771.0291359895. The cubic root of 716688001 is about 894.9045396142.

The spelling of 716688001 in words is "seven hundred sixteen million, six hundred eighty-eight thousand, one".