716385081 has 8 divisors (see below), whose sum is σ = 955637280. Its totient is φ = 477361472.

The previous prime is 716385013. The next prime is 716385091. The reversal of 716385081 is 180583617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 716385081 - 2²² = 712190777 is a prime.

It is a super-2 number, since 2×716385081² = 1026415168558753122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (716385001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49695 + ... + 62468.

It is an arithmetic number, because the mean of its divisors is an integer number (119454660).

Almost surely, 2^716385081 is an apocalyptic number.

It is an amenable number.

716385081 is a deficient number, since it is larger than the sum of its proper divisors (239252199).

716385081 is a wasteful number, since it uses less digits than its factorization.

716385081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114295.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 716385081 is about 26765.3709296172. The cubic root of 716385081 is about 894.7784397936.

The spelling of 716385081 in words is "seven hundred sixteen million, three hundred eighty-five thousand, eighty-one".