716220671 has 4 divisors (see below), whose sum is σ = 716605344. Its totient is φ = 715836000.

The previous prime is 716220649. The next prime is 716220689. The reversal of 716220671 is 176022617.

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

It is a cyclic number.

It is not a de Polignac number, because 716220671 - 2¹⁴ = 716204287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716220611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189530 + ... + 193271.

It is an arithmetic number, because the mean of its divisors is an integer number (179151336).

Almost surely, 2^716220671 is an apocalyptic number.

716220671 is a deficient number, since it is larger than the sum of its proper divisors (384673).

716220671 is a wasteful number, since it uses less digits than its factorization.

716220671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384672.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 716220671 is about 26762.2994340920. The cubic root of 716220671 is about 894.7099841625.

The spelling of 716220671 in words is "seven hundred sixteen million, two hundred twenty thousand, six hundred seventy-one".