716044081 has 3 divisors (see below), whose sum is σ = 716070841. Its totient is φ = 716017322.

The previous prime is 716044057. The next prime is 716044099. The reversal of 716044081 is 180440617.

The square root of 716044081 is 26759.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 716044081 - 2⁹ = 716043569 is a prime.

It is a super-2 number, since 2×716044081² = 1025438251870269122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716044031) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13380 + ... + 40138.

Almost surely, 2^716044081 is an apocalyptic number.

716044081 is the 26759-th square number.

716044081 is the 13380-th centered octagonal number.

It is an amenable number.

716044081 is a deficient number, since it is larger than the sum of its proper divisors (26760).

716044081 is an frugal number, since it uses more digits than its factorization.

716044081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53518 (or 26759 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The cubic root of 716044081 is about 894.6364454570.

Adding to 716044081 its reverse (180440617), we get a palindrome (896484698).

The spelling of 716044081 in words is "seven hundred sixteen million, forty-four thousand, eighty-one".