716701669 has 8 divisors (see below), whose sum is σ = 737757720. Its totient is φ = 695924736.

The previous prime is 716701649. The next prime is 716701673. The reversal of 716701669 is 966107617.

It can be written as a sum of positive squares in 4 ways, for example, as 16305444 + 700396225 = 4038^2 + 26465^2 .

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 716701669 - 2¹³ = 716693477 is a prime.

It is a super-2 number, since 2×716701669² = 1027322564694771122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716701639) 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, 64564 + ... + 74845.

It is an arithmetic number, because the mean of its divisors is an integer number (92219715).

Almost surely, 2^716701669 is an apocalyptic number.

It is an amenable number.

716701669 is a deficient number, since it is larger than the sum of its proper divisors (21056051).

716701669 is a wasteful number, since it uses less digits than its factorization.

716701669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139559.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 716701669 is about 26771.2844107264. The cubic root of 716701669 is about 894.9102285041.

The spelling of 716701669 in words is "seven hundred sixteen million, seven hundred one thousand, six hundred sixty-nine".